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1202210210020 = 2251915120951729
BaseRepresentation
bin10001011111101001010…
…100000000000011100100
311020221010002121102010211
4101133221110000003210
5124144111303210040
62320142053025204
7152566614115021
oct21375124000344
94227102542124
101202210210020
1142394435a646
12174bb5925204
13894a24826a1
1442289ca2548
1521413c728ea
hex117e95000e4

1202210210020 has 48 divisors (see below), whose sum is σ = 2675116886400. Its totient is φ = 452557324800.

The previous prime is 1202210209987. The next prime is 1202210210093. The reversal of 1202210210020 is 200120122021.

It is a happy number.

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, 10418485 + ... + 10533244.

It is an arithmetic number, because the mean of its divisors is an integer number (55731601800).

Almost surely, 21202210210020 is an apocalyptic number.

1202210210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202210210020 is an abundant number, since it is smaller than the sum of its proper divisors (1472906676380).

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

1202210210020 is a wasteful number, since it uses less digits than its factorization.

1202210210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20951908 (or 20951906 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1202210210020 its reverse (200120122021), we get a palindrome (1402330332041).

The spelling of 1202210210020 in words is "one trillion, two hundred two billion, two hundred ten million, two hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 151 190 302 380 604 755 1510 2869 3020 5738 11476 14345 28690 57380 20951729 41903458 83806916 104758645 209517290 398082851 419034580 796165702 1592331404 1990414255 3163711079 3980828510 6327422158 7961657020 12654844316 15818555395 31637110790 60110510501 63274221580 120221021002 240442042004 300552552505 601105105010 1202210210020