2920317491720 has 32 divisors (see below), whose sum is σ = 6571156950720. Its totient is φ = 1168048313280.

The previous prime is 2920317491711. The next prime is 2920317491753. The reversal of 2920317491720 is 271947130292.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1855772 + ... + 3047051.

It is an arithmetic number, because the mean of its divisors is an integer number (205348654710).

Almost surely, 2^{2920317491720} is an apocalyptic number.

2920317491720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2920317491720 is an abundant number, since it is smaller than the sum of its proper divisors (3650839459000).

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

2920317491720 is a wasteful number, since it uses less digits than its factorization.

2920317491720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4917725 (or 4917721 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 47.

The spelling of 2920317491720 in words is "two trillion, nine hundred twenty billion, three hundred seventeen million, four hundred ninety-one thousand, seven hundred twenty".