20413223031324 has 48 divisors (see below), whose sum is σ = 50465018822400. Its totient is φ = 6400040445696.

The previous prime is 20413223031319. The next prime is 20413223031361. The reversal of 20413223031324 is 42313032231402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20413223031291 and 20413223031300.

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, 31774594 + ... + 32410665.

It is an arithmetic number, because the mean of its divisors is an integer number (1051354558800).

Almost surely, 2^{20413223031324} is an apocalyptic number.

It is an amenable number.

20413223031324 is an abundant number, since it is smaller than the sum of its proper divisors (30051795791076).

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

20413223031324 is a wasteful number, since it uses less digits than its factorization.

20413223031324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64186842 (or 64186840 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 20413223031324 its reverse (42313032231402), we get a palindrome (62726255262726).

The spelling of 20413223031324 in words is "twenty trillion, four hundred thirteen billion, two hundred twenty-three million, thirty-one thousand, three hundred twenty-four".