38365820020 has 24 divisors (see below), whose sum is σ = 87892606368. Its totient is φ = 13951207200.

The previous prime is 38365820011. The next prime is 38365820023. The reversal of 38365820020 is 2002856383.

It is a super-2 number, since 2×38365820020² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38365820023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87194826 + ... + 87195265.

It is an arithmetic number, because the mean of its divisors is an integer number (3662191932).

Almost surely, 2^38365820020 is an apocalyptic number.

It is an amenable number.

38365820020 is an abundant number, since it is smaller than the sum of its proper divisors (49526786348).

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

38365820020 is a wasteful number, since it uses less digits than its factorization.

38365820020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174390111 (or 174390109 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 38365820020 in words is "thirty-eight billion, three hundred sixty-five million, eight hundred twenty thousand, twenty".