20932833208 has 32 divisors (see below), whose sum is σ = 45051976800. Its totient is φ = 8932033152.

The previous prime is 20932833203. The next prime is 20932833221. The reversal of 20932833208 is 80233823902.

It is a super-2 number, since 2×20932833208² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20932833203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803335 + ... + 828982.

It is an arithmetic number, because the mean of its divisors is an integer number (1407874275).

Almost surely, 2^20932833208 is an apocalyptic number.

20932833208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20932833208 is an abundant number, since it is smaller than the sum of its proper divisors (24119143592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20932833208 is a wasteful number, since it uses less digits than its factorization.

20932833208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632559 (or 1632555 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 20932833208 in words is "twenty billion, nine hundred thirty-two million, eight hundred thirty-three thousand, two hundred eight".