19930372 has 24 divisors (see below), whose sum is σ = 43485120. Its totient is φ = 7764960.

The previous prime is 19930333. The next prime is 19930381. The reversal of 19930372 is 27303991.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32047 + ... + 32662.

It is an arithmetic number, because the mean of its divisors is an integer number (1811880).

Almost surely, 2^19930372 is an apocalyptic number.

It is an amenable number.

19930372 is an abundant number, since it is smaller than the sum of its proper divisors (23554748).

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

19930372 is a wasteful number, since it uses less digits than its factorization.

19930372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64731 (or 64729 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 19930372 is about 4464.3445207555. The cubic root of 19930372 is about 271.1263962885.

It can be divided in two parts, 19930 and 372, that added together give a palindrome (20302).

The spelling of 19930372 in words is "nineteen million, nine hundred thirty thousand, three hundred seventy-two".