19970032 has 20 divisors (see below), whose sum is σ = 38763640. Its totient is φ = 9966528.

The previous prime is 19970011. The next prime is 19970039. The reversal of 19970032 is 23007991.

It is a junction number, because it is equal to n+sod(n) for n = 19969976 and 19970003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19970039) 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 in 3 ways as a sum of consecutive naturals, for example, 13018 + ... + 14470.

It is an arithmetic number, because the mean of its divisors is an integer number (1938182).

Almost surely, 2^19970032 is an apocalyptic number.

It is an amenable number.

19970032 is a deficient number, since it is larger than the sum of its proper divisors (18793608).

19970032 is a wasteful number, since it uses less digits than its factorization.

19970032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320 (or 2314 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 19970032 is about 4468.7841746945. The cubic root of 19970032 is about 271.3061177754.

The spelling of 19970032 in words is "nineteen million, nine hundred seventy thousand, thirty-two".