20473015886 has 8 divisors (see below), whose sum is σ = 31079518344. Its totient is φ = 10113176440.

The previous prime is 20473015873. The next prime is 20473015897. The reversal of 20473015886 is 68851037402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61665545 + ... + 61665876.

It is an arithmetic number, because the mean of its divisors is an integer number (3884939793).

Almost surely, 2^20473015886 is an apocalyptic number.

20473015886 is a deficient number, since it is larger than the sum of its proper divisors (10606502458).

20473015886 is a wasteful number, since it uses less digits than its factorization.

20473015886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123331506.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 20473015886 in words is "twenty billion, four hundred seventy-three million, fifteen thousand, eight hundred eighty-six".