20000724271320 has 64 divisors (see below), whose sum is σ = 64617724573920. Its totient is φ = 4923255204864.

The previous prime is 20000724271313. The next prime is 20000724271357. The reversal of 20000724271320 is 2317242700002.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 6410486989 + ... + 6410490108.

Almost surely, 2^{20000724271320} is an apocalyptic number.

20000724271320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000724271320 is an abundant number, since it is smaller than the sum of its proper divisors (44617000302600).

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

20000724271320 is a wasteful number, since it uses less digits than its factorization.

20000724271320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12820977124 (or 12820977120 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

Adding to 20000724271320 its reverse (2317242700002), we get a palindrome (22317966971322).

The spelling of 20000724271320 in words is "twenty trillion, seven hundred twenty-four million, two hundred seventy-one thousand, three hundred twenty".