20355253315602 has 8 divisors (see below), whose sum is σ = 40710506631216. Its totient is φ = 6785084438532.

The previous prime is 20355253315601. The next prime is 20355253315627. The reversal of 20355253315602 is 20651335255302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

20355253315602 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20355253315601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1696271109628 + ... + 1696271109639.

It is an arithmetic number, because the mean of its divisors is an integer number (5088813328902).

Almost surely, 2^{20355253315602} is an apocalyptic number.

20355253315602 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20355253315602 is a wasteful number, since it uses less digits than its factorization.

20355253315602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3392542219272.

The product of its (nonzero) digits is 810000, while the sum is 42.

The spelling of 20355253315602 in words is "twenty trillion, three hundred fifty-five billion, two hundred fifty-three million, three hundred fifteen thousand, six hundred two".