20333970785 has 16 divisors (see below), whose sum is σ = 24742876800. Its totient is φ = 16039244160.

The previous prime is 20333970779. The next prime is 20333970859. The reversal of 20333970785 is 58707933302.

It is not a de Polignac number, because 20333970785 - 2⁶ = 20333970721 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1489340 + ... + 1502930.

It is an arithmetic number, because the mean of its divisors is an integer number (1546429800).

Almost surely, 2^20333970785 is an apocalyptic number.

It is an amenable number.

20333970785 is a deficient number, since it is larger than the sum of its proper divisors (4408906015).

20333970785 is a wasteful number, since it uses less digits than its factorization.

20333970785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17768.

The product of its (nonzero) digits is 952560, while the sum is 47.

The spelling of 20333970785 in words is "twenty billion, three hundred thirty-three million, nine hundred seventy thousand, seven hundred eighty-five".