20432613547290 has 96 divisors (see below), whose sum is σ = 57050429160384. Its totient is φ = 4669827966720.

The previous prime is 20432613547279. The next prime is 20432613547373. The reversal of 20432613547290 is 9274531623402.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13574937 + ... + 15004803.

It is an arithmetic number, because the mean of its divisors is an integer number (594275303754).

Almost surely, 2^{20432613547290} is an apocalyptic number.

20432613547290 is an abundant number, since it is smaller than the sum of its proper divisors (36617815613094).

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

20432613547290 is a wasteful number, since it uses less digits than its factorization.

20432613547290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439612 (or 1439605 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 48.

The spelling of 20432613547290 in words is "twenty trillion, four hundred thirty-two billion, six hundred thirteen million, five hundred forty-seven thousand, two hundred ninety".