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202012120002020 = 225101307325752443
BaseRepresentation
bin101101111011101010011100…
…101001110010110111100100
3222111021011120222101210201012
4231323222130221302313210
5202434231310210031040
61553351030424121352
760356615440166456
oct5573523451626744
9874234528353635
10202012120002020
115940494a329029
121a7a7376306258
1388948797b2883
1437c562000c2d6
151854beb0e3865
hexb7ba9ca72de4

202012120002020 has 48 divisors (see below), whose sum is σ = 429821228789568. Its totient is φ = 79744197801600.

The previous prime is 202012120002001. The next prime is 202012120002067. The reversal of 202012120002020 is 20200021210202.

It is a junction number, because it is equal to n+sod(n) for n = 202012120001986 and 202012120002004.

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, 162256082 + ... + 163496361.

It is an arithmetic number, because the mean of its divisors is an integer number (8954608933116).

Almost surely, 2202012120002020 is an apocalyptic number.

202012120002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202012120002020 is an abundant number, since it is smaller than the sum of its proper divisors (227809108787548).

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

202012120002020 is a wasteful number, since it uses less digits than its factorization.

202012120002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325752860 (or 325752858 counting only the distinct ones).

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

Adding to 202012120002020 its reverse (20200021210202), we get a palindrome (222212141212222).

The spelling of 202012120002020 in words is "two hundred two trillion, twelve billion, one hundred twenty million, two thousand, twenty".

Divisors: 1 2 4 5 10 20 101 202 307 404 505 614 1010 1228 1535 2020 3070 6140 31007 62014 124028 155035 310070 620140 325752443 651504886 1303009772 1628762215 3257524430 6515048860 32900996743 65801993486 100006000001 131603986972 164504983715 200012000002 329009967430 400024000004 500030000005 658019934860 1000060000010 2000120000020 10100606000101 20201212000202 40402424000404 50503030000505 101006060001010 202012120002020