20312455421302 has 32 divisors (see below), whose sum is σ = 33351738084000. Its totient is φ = 9201525350400.

The previous prime is 20312455421273. The next prime is 20312455421327.

20312455421302 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13577974 + ... + 14999542.

It is an arithmetic number, because the mean of its divisors is an integer number (1042241815125).

Almost surely, 2^{20312455421302} is an apocalyptic number.

20312455421302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20312455421302 is a deficient number, since it is larger than the sum of its proper divisors (13039282662698).

20312455421302 is a wasteful number, since it uses less digits than its factorization.

20312455421302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423792.

The product of its (nonzero) digits is 57600, while the sum is 34.

It can be divided in two parts, 2031245 and 5421302, that added together give a palindrome (7452547).

The spelling of 20312455421302 in words is "twenty trillion, three hundred twelve billion, four hundred fifty-five million, four hundred twenty-one thousand, three hundred two".