20377116 has 24 divisors (see below), whose sum is σ = 52829840. Its totient is φ = 6792336.

The previous prime is 20377099. The next prime is 20377117. The reversal of 20377116 is 61177302.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 20377116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20377117) 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, 94231 + ... + 94446.

Almost surely, 2^20377116 is an apocalyptic number.

It is an amenable number.

20377116 is an abundant number, since it is smaller than the sum of its proper divisors (32452724).

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

20377116 is a wasteful number, since it uses less digits than its factorization.

20377116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188690 (or 188682 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 20377116 is about 4514.1019040336. The cubic root of 20377116 is about 273.1372332614.

The spelling of 20377116 in words is "twenty million, three hundred seventy-seven thousand, one hundred sixteen".