108201720 has 64 divisors (see below), whose sum is σ = 354119040. Its totient is φ = 26230400.

The previous prime is 108201703. The next prime is 108201721. The reversal of 108201720 is 27102801.

It is a super-2 number, since 2×108201720² = 23415224421916800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108201721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39666 + ... + 42305.

It is an arithmetic number, because the mean of its divisors is an integer number (5533110).

Almost surely, 2^108201720 is an apocalyptic number.

108201720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108201720 is an abundant number, since it is smaller than the sum of its proper divisors (245917320).

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

108201720 is a wasteful number, since it uses less digits than its factorization.

108201720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81996 (or 81992 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 108201720 is about 10402.0055758493. The cubic root of 108201720 is about 476.5166224294.

The spelling of 108201720 in words is "one hundred eight million, two hundred one thousand, seven hundred twenty".