19020972 has 18 divisors (see below), whose sum is σ = 44417548. Its totient is φ = 6335288.

The previous prime is 19020961. The next prime is 19021039. The reversal of 19020972 is 27902091.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14479 + ... + 15737.

Almost surely, 2^19020972 is an apocalyptic number.

19020972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19020972 is an abundant number, since it is smaller than the sum of its proper divisors (25396576).

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

19020972 is an equidigital number, since it uses as much as digits as its factorization.

19020972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525 (or 1264 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 19020972 is about 4361.3039334584. The cubic root of 19020972 is about 266.9383072266.

The spelling of 19020972 in words is "nineteen million, twenty thousand, nine hundred seventy-two".