20352604643610 has 64 divisors (see below), whose sum is σ = 51931699423488. Its totient is φ = 5093438265344.

The previous prime is 20352604643593. The next prime is 20352604643713. The reversal of 20352604643610 is 1634640625302.

It is a happy number.

It is a super-2 number, since 2×20352604643610² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278232567 + ... + 278305706.

It is an arithmetic number, because the mean of its divisors is an integer number (811432803492).

Almost surely, 2^{20352604643610} is an apocalyptic number.

20352604643610 is an abundant number, since it is smaller than the sum of its proper divisors (31579094779878).

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

20352604643610 is a wasteful number, since it uses less digits than its factorization.

20352604643610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556538359.

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 20352604643610 in words is "twenty trillion, three hundred fifty-two billion, six hundred four million, six hundred forty-three thousand, six hundred ten".