20352450226212 has 36 divisors (see below), whose sum is σ = 55403892283740. Its totient is φ = 6262292377152.

The previous prime is 20352450226201. The next prime is 20352450226217. The reversal of 20352450226212 is 21262205425302.

20352450226212 is a `hidden beast` number, since 2 + 0 + 3 + 5 + 2 + 4 + 5 + 0 + 22 + 621 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6886089746496 + 13466360479716 = 2624136^2 + 3669654^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (20352450226217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21744070287 + ... + 21744071222.

Almost surely, 2^{20352450226212} is an apocalyptic number.

It is an amenable number.

20352450226212 is an abundant number, since it is smaller than the sum of its proper divisors (35051442057528).

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

20352450226212 is a wasteful number, since it uses less digits than its factorization.

20352450226212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43488141532 (or 43488141527 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 20352450226212 in words is "twenty trillion, three hundred fifty-two billion, four hundred fifty million, two hundred twenty-six thousand, two hundred twelve".