19420052 has 24 divisors (see below), whose sum is σ = 37880640. Its totient is φ = 8657280.

The previous prime is 19420031. The next prime is 19420061. The reversal of 19420052 is 25002491.

It is a congruent number.

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, 6224 + ... + 8807.

It is an arithmetic number, because the mean of its divisors is an integer number (1578360).

Almost surely, 2^19420052 is an apocalyptic number.

It is an amenable number.

19420052 is a deficient number, since it is larger than the sum of its proper divisors (18460588).

19420052 is a wasteful number, since it uses less digits than its factorization.

19420052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15071 (or 15069 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 19420052 is about 4406.8188072577. The cubic root of 19420052 is about 268.7922830894.

The spelling of 19420052 in words is "nineteen million, four hundred twenty thousand, fifty-two".