20310302612356 has 24 divisors (see below), whose sum is σ = 36370435196480. Its totient is φ = 9918760394592.

The previous prime is 20310302612351. The next prime is 20310302612389. The reversal of 20310302612356 is 65321620301302.

It is not an unprimeable number, because it can be changed into a prime (20310302612351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6411265 + ... + 9040183.

Almost surely, 2^{20310302612356} is an apocalyptic number.

It is an amenable number.

20310302612356 is a deficient number, since it is larger than the sum of its proper divisors (16060132584124).

20310302612356 is a wasteful number, since it uses less digits than its factorization.

20310302612356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2673883 (or 2673881 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 20310302612356 its reverse (65321620301302), we get a palindrome (85631922913658).

The spelling of 20310302612356 in words is "twenty trillion, three hundred ten billion, three hundred two million, six hundred twelve thousand, three hundred fifty-six".