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101020202022020 = 225101126893941209
BaseRepresentation
bin10110111110000010011001…
…010000011011010010000100
3111020200102210120102000010112
4112332002121100123102010
5101220103333204201040
6554504012400412152
730164316531223541
oct2676023120332204
9436612716360115
10101020202022020
112a2084774a5236
12b3b6485317058
13444a219900b68
141ad35922cbbc8
15ba2b798aa365
hex5be09941b484

101020202022020 has 48 divisors (see below), whose sum is σ = 214259782791600. Its totient is φ = 40004837683200.

The previous prime is 101020202022001. The next prime is 101020202022109. The reversal of 101020202022020 is 20220202020101.

It can be written as a sum of positive squares in 8 ways, for example, as 890199798016 + 100130002224004 = 943504^2 + 10006498^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101020202021986 and 101020202022004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23661176 + ... + 27602384.

It is an arithmetic number, because the mean of its divisors is an integer number (4463745474825).

Almost surely, 2101020202022020 is an apocalyptic number.

101020202022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101020202022020 is an abundant number, since it is smaller than the sum of its proper divisors (113239580769580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101020202022020 is a wasteful number, since it uses less digits than its factorization.

101020202022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3954008 (or 3954006 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 101020202022020 its reverse (20220202020101), we get a palindrome (121240404042121).

The spelling of 101020202022020 in words is "one hundred one trillion, twenty billion, two hundred two million, twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 101 202 404 505 1010 2020 12689 25378 50756 63445 126890 253780 1281589 2563178 3941209 5126356 6407945 7882418 12815890 15764836 19706045 25631780 39412090 78824180 398062109 796124218 1592248436 1990310545 3980621090 7961242180 50010001001 100020002002 200040004004 250050005005 500100010010 1000200020020 5051010101101 10102020202202 20204040404404 25255050505505 50510101011010 101020202022020