20189014492 has 12 divisors (see below), whose sum is σ = 36470478016. Its totient is φ = 9768877920.

The previous prime is 20189014487. The next prime is 20189014499. The reversal of 20189014492 is 29441098102.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20189014499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81407193 + ... + 81407440.

Almost surely, 2^20189014492 is an apocalyptic number.

It is an amenable number.

20189014492 is a deficient number, since it is larger than the sum of its proper divisors (16281463524).

20189014492 is a wasteful number, since it uses less digits than its factorization.

20189014492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162814668 (or 162814666 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 20189014492 in words is "twenty billion, one hundred eighty-nine million, fourteen thousand, four hundred ninety-two".