19955152 has 30 divisors (see below), whose sum is σ = 44977218. Its totient is φ = 8551872.

The previous prime is 19955147. The next prime is 19955167. The reversal of 19955152 is 25155991.

It can be written as a sum of positive squares in only one way, i.e., 16941456 + 3013696 = 4116^2 + 1736^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11943 + ... + 13510.

Almost surely, 2^19955152 is an apocalyptic number.

It is an amenable number.

19955152 is an abundant number, since it is smaller than the sum of its proper divisors (25022066).

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

19955152 is a wasteful number, since it uses less digits than its factorization.

19955152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25475 (or 25462 counting only the distinct ones).

The product of its digits is 20250, while the sum is 37.

The square root of 19955152 is about 4467.1189820733. The cubic root of 19955152 is about 271.2387161452.

The spelling of 19955152 in words is "nineteen million, nine hundred fifty-five thousand, one hundred fifty-two".