20826624033240 has 32 divisors (see below), whose sum is σ = 62479872100080. Its totient is φ = 5553766408832.

The previous prime is 20826624033211. The next prime is 20826624033263. The reversal of 20826624033240 is 4233042662802.

It is a junction number, because it is equal to n+sod(n) for n = 20826624033192 and 20826624033201.

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, 86777600019 + ... + 86777600258.

Almost surely, 2^{20826624033240} is an apocalyptic number.

20826624033240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20826624033240 is an abundant number, since it is smaller than the sum of its proper divisors (41653248066840).

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

20826624033240 is a wasteful number, since it uses less digits than its factorization.

20826624033240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173555200291 (or 173555200287 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 20826624033240 in words is "twenty trillion, eight hundred twenty-six billion, six hundred twenty-four million, thirty-three thousand, two hundred forty".