20333701685 has 32 divisors (see below), whose sum is σ = 27355491072. Its totient is φ = 14379310080.

The previous prime is 20333701681. The next prime is 20333701709. The reversal of 20333701685 is 58610733302.

It is not a de Polignac number, because 20333701685 - 2² = 20333701681 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20333701681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5763392 + ... + 5766918.

It is an arithmetic number, because the mean of its divisors is an integer number (854859096).

Almost surely, 2^20333701685 is an apocalyptic number.

It is an amenable number.

20333701685 is a deficient number, since it is larger than the sum of its proper divisors (7021789387).

20333701685 is a wasteful number, since it uses less digits than its factorization.

20333701685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6413.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 20333701685 in words is "twenty billion, three hundred thirty-three million, seven hundred one thousand, six hundred eighty-five".