20371703672 has 8 divisors (see below), whose sum is σ = 38196944400. Its totient is φ = 10185851832.

The previous prime is 20371703647. The next prime is 20371703699. The reversal of 20371703672 is 27630717302.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1273231472 + ... + 1273231487.

It is an arithmetic number, because the mean of its divisors is an integer number (4774618050).

Almost surely, 2^20371703672 is an apocalyptic number.

It is an amenable number.

20371703672 is a deficient number, since it is larger than the sum of its proper divisors (17825240728).

20371703672 is a wasteful number, since it uses less digits than its factorization.

20371703672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2546462965 (or 2546462961 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 38.

The spelling of 20371703672 in words is "twenty billion, three hundred seventy-one million, seven hundred three thousand, six hundred seventy-two".