20212083685 has 16 divisors (see below), whose sum is σ = 24608800512. Its totient is φ = 15933702400.

The previous prime is 20212083679. The next prime is 20212083713. The reversal of 20212083685 is 58638021202.

It is not a de Polignac number, because 20212083685 - 2²³ = 20203695077 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 727245 + ... + 754525.

It is an arithmetic number, because the mean of its divisors is an integer number (1538050032).

Almost surely, 2^20212083685 is an apocalyptic number.

It is an amenable number.

20212083685 is a deficient number, since it is larger than the sum of its proper divisors (4396716827).

20212083685 is a wasteful number, since it uses less digits than its factorization.

20212083685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29444.

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 20212083685 in words is "twenty billion, two hundred twelve million, eighty-three thousand, six hundred eighty-five".