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20212210013202 = 23210536110657649
BaseRepresentation
bin1001001100010000001011…
…00110010001010000010010
32122120021020200001010110100
410212020011212101100102
510122124101230410302
6110553205555113230
74154166256253004
oct446100546212022
978507220033410
1020212210013202
116492a4a691939
1223253182a2816
13b3800711959c
144dc3c1bc8374
15250b75211d1c
hex126205991412

20212210013202 has 24 divisors (see below), whose sum is σ = 43793541452700. Its totient is φ = 6737338759680.

The previous prime is 20212210013173. The next prime is 20212210013249. The reversal of 20212210013202 is 20231001221202.

It can be written as a sum of positive squares in 2 ways, for example, as 17295625757601 + 2916584255601 = 4158801^2 + 1707801^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3432327 + ... + 7225322.

Almost surely, 220212210013202 is an apocalyptic number.

20212210013202 is an abundant number, since it is smaller than the sum of its proper divisors (23581331439498).

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

20212210013202 is a wasteful number, since it uses less digits than its factorization.

20212210013202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10763018 (or 10763015 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20212210013202 its reverse (20231001221202), we get a palindrome (40443211234404).

The spelling of 20212210013202 in words is "twenty trillion, two hundred twelve billion, two hundred ten million, thirteen thousand, two hundred two".

Divisors: 1 2 3 6 9 18 105361 210722 316083 632166 948249 1896498 10657649 21315298 31972947 63945894 95918841 191837682 1122900556289 2245801112578 3368701668867 6737403337734 10106105006601 20212210013202