19952572 has 6 divisors (see below), whose sum is σ = 34917008. Its totient is φ = 9976284.

The previous prime is 19952567. The next prime is 19952573. The reversal of 19952572 is 27525991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19952573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2494068 + ... + 2494075.

Almost surely, 2^19952572 is an apocalyptic number.

It is an amenable number.

19952572 is a deficient number, since it is larger than the sum of its proper divisors (14964436).

19952572 is a wasteful number, since it uses less digits than its factorization.

19952572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4988147 (or 4988145 counting only the distinct ones).

The product of its digits is 56700, while the sum is 40.

The square root of 19952572 is about 4466.8301960115. The cubic root of 19952572 is about 271.2270261642.

The spelling of 19952572 in words is "nineteen million, nine hundred fifty-two thousand, five hundred seventy-two".