39920213100 has 72 divisors (see below), whose sum is σ = 115812466000. Its totient is φ = 10616820480.

The previous prime is 39920213089. The next prime is 39920213101. The reversal of 39920213100 is 131202993.

It is a happy number.

39920213100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×39920213100² (a number of 22 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (39920213101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66475 + ... + 290274.

Almost surely, 2^39920213100 is an apocalyptic number.

39920213100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

39920213100 is an abundant number, since it is smaller than the sum of its proper divisors (75892252900).

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

39920213100 is a wasteful number, since it uses less digits than its factorization.

39920213100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357139 (or 357132 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 30.

The spelling of 39920213100 in words is "thirty-nine billion, nine hundred twenty million, two hundred thirteen thousand, one hundred".