20190863624 has 32 divisors (see below), whose sum is σ = 38765591040. Its totient is φ = 9853704000.

The previous prime is 20190863587. The next prime is 20190863657. The reversal of 20190863624 is 42636809102.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 486074 + ... + 525974.

It is an arithmetic number, because the mean of its divisors is an integer number (1211424720).

Almost surely, 2^20190863624 is an apocalyptic number.

It is an amenable number.

20190863624 is a deficient number, since it is larger than the sum of its proper divisors (18574727416).

20190863624 is a wasteful number, since it uses less digits than its factorization.

20190863624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41421 (or 41417 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 20190863624 in words is "twenty billion, one hundred ninety million, eight hundred sixty-three thousand, six hundred twenty-four".