20207923898 has 32 divisors (see below), whose sum is σ = 33112195200. Its totient is φ = 9212785344.

The previous prime is 20207923889. The next prime is 20207923949. The reversal of 20207923898 is 89832970202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320411 + ... + 378257.

It is an arithmetic number, because the mean of its divisors is an integer number (1034756100).

Almost surely, 2^20207923898 is an apocalyptic number.

20207923898 is a deficient number, since it is larger than the sum of its proper divisors (12904271302).

20207923898 is a wasteful number, since it uses less digits than its factorization.

20207923898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58214.

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 20207923898 in words is "twenty billion, two hundred seven million, nine hundred twenty-three thousand, eight hundred ninety-eight".