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2020200202020 = 22357111337909091
BaseRepresentation
bin11101011001011101010…
…100001011111100100100
321011010111020002102202110
4131121131110023330210
5231044332222431040
64144022301241020
7265645305250230
oct35313524137444
97133436072673
102020200202020
11709842390620
12287640b63170
13118672567230
146dac75ab5c0
153783b5e2980
hex1d65d50bf24

2020200202020 has 384 divisors, whose sum is σ = 7800096632832. Its totient is φ = 377017804800.

The previous prime is 2020200202003. The next prime is 2020200202109. The reversal of 2020200202020 is 202020020202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2020200201987 and 2020200202005.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1767675 + ... + 2676765.

It is an arithmetic number, because the mean of its divisors is an integer number (20312751648).

Almost surely, 22020200202020 is an apocalyptic number.

2020200202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020200202020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3900048316416).

2020200202020 is an abundant number, since it is smaller than the sum of its proper divisors (5779896430812).

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

2020200202020 is a wasteful number, since it uses less digits than its factorization.

2020200202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909171 (or 909169 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 2020200202020 its reverse (202020020202), we get a palindrome (2222220222222).

The spelling of 2020200202020 in words is "two trillion, twenty billion, two hundred million, two hundred two thousand, twenty".