20034137320 has 64 divisors (see below), whose sum is σ = 47469240000. Its totient is φ = 7588689408.

The previous prime is 20034137317. The next prime is 20034137329. The reversal of 20034137320 is 2373143002.

It is not an unprimeable number, because it can be changed into a prime (20034137329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2617419 + ... + 2625061.

It is an arithmetic number, because the mean of its divisors is an integer number (741706875).

Almost surely, 2^20034137320 is an apocalyptic number.

20034137320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20034137320 is an abundant number, since it is smaller than the sum of its proper divisors (27435102680).

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

20034137320 is a wasteful number, since it uses less digits than its factorization.

20034137320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11122 (or 11118 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 25.

The spelling of 20034137320 in words is "twenty billion, thirty-four million, one hundred thirty-seven thousand, three hundred twenty".