20833315672 has 16 divisors (see below), whose sum is σ = 42067272240. Its totient is φ = 9615376416.

The previous prime is 20833315637. The next prime is 20833315693. The reversal of 20833315672 is 27651333802.

It is a super-3 number, since 3×20833315672³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100160068 + ... + 100160275.

It is an arithmetic number, because the mean of its divisors is an integer number (2629204515).

Almost surely, 2^20833315672 is an apocalyptic number.

It is an amenable number.

20833315672 is an abundant number, since it is smaller than the sum of its proper divisors (21233956568).

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

20833315672 is a wasteful number, since it uses less digits than its factorization.

20833315672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200320362 (or 200320358 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 20833315672 in words is "twenty billion, eight hundred thirty-three million, three hundred fifteen thousand, six hundred seventy-two".