20430316057580 has 96 divisors (see below), whose sum is σ = 50407882011648. Its totient is φ = 6857241696000.

The previous prime is 20430316057573. The next prime is 20430316057661. The reversal of 20430316057580 is 8575061303402.

It is a super-2 number, since 2×20430316057580² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41232305 + ... + 41724855.

It is an arithmetic number, because the mean of its divisors is an integer number (525082104288).

Almost surely, 2^{20430316057580} is an apocalyptic number.

20430316057580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20430316057580 is an abundant number, since it is smaller than the sum of its proper divisors (29977565954068).

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

20430316057580 is a wasteful number, since it uses less digits than its factorization.

20430316057580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507087 (or 507085 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 20430316057580 in words is "twenty trillion, four hundred thirty billion, three hundred sixteen million, fifty-seven thousand, five hundred eighty".