20194011532 has 6 divisors (see below), whose sum is σ = 35339520188. Its totient is φ = 10097005764.

The previous prime is 20194011529. The next prime is 20194011557. The reversal of 20194011532 is 23511049102.

It is a self number, because there is not a number n which added to its sum of digits gives 20194011532.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2524251438 + ... + 2524251445.

Almost surely, 2^20194011532 is an apocalyptic number.

It is an amenable number.

20194011532 is a deficient number, since it is larger than the sum of its proper divisors (15145508656).

20194011532 is a wasteful number, since it uses less digits than its factorization.

20194011532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5048502887 (or 5048502885 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 20194011532 in words is "twenty billion, one hundred ninety-four million, eleven thousand, five hundred thirty-two".