20371415043720 has 128 divisors (see below), whose sum is σ = 66930855465600. Its totient is φ = 4929510580224.

The previous prime is 20371415043709. The next prime is 20371415043757. The reversal of 20371415043720 is 2734051417302.

It is a super-2 number, since 2×20371415043720² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 110574057 + ... + 110758136.

It is an arithmetic number, because the mean of its divisors is an integer number (522897308325).

Almost surely, 2^{20371415043720} is an apocalyptic number.

20371415043720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20371415043720 is an abundant number, since it is smaller than the sum of its proper divisors (46559440421880).

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

20371415043720 is a wasteful number, since it uses less digits than its factorization.

20371415043720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221332279 (or 221332275 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

The spelling of 20371415043720 in words is "twenty trillion, three hundred seventy-one billion, four hundred fifteen million, forty-three thousand, seven hundred twenty".