20826713372 has 24 divisors (see below), whose sum is σ = 36622958736. Its totient is φ = 10363051008.

The previous prime is 20826713351. The next prime is 20826713419. The reversal of 20826713372 is 27331762802.

It is a super-2 number, since 2×20826713372² (a number of 21 digits) contains 22 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3495548 + ... + 3501500.

It is an arithmetic number, because the mean of its divisors is an integer number (1525956614).

Almost surely, 2^20826713372 is an apocalyptic number.

It is an amenable number.

20826713372 is a deficient number, since it is larger than the sum of its proper divisors (15796245364).

20826713372 is a wasteful number, since it uses less digits than its factorization.

20826713372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10037 (or 10035 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 20826713372 in words is "twenty billion, eight hundred twenty-six million, seven hundred thirteen thousand, three hundred seventy-two".