20826550753 has 2 divisors, whose sum is σ = 20826550754. Its totient is φ = 20826550752.

The previous prime is 20826550721. The next prime is 20826550763. The reversal of 20826550753 is 35705562802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13245017569 + 7581533184 = 115087^2 + 87072^2 .

It is a cyclic number.

It is not a de Polignac number, because 20826550753 - 2⁵ = 20826550721 is a prime.

It is a super-3 number, since 3×20826550753³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (20826550763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10413275376 + 10413275377.

It is an arithmetic number, because the mean of its divisors is an integer number (10413275377).

Almost surely, 2^20826550753 is an apocalyptic number.

It is an amenable number.

20826550753 is a deficient number, since it is larger than the sum of its proper divisors (1).

20826550753 is an equidigital number, since it uses as much as digits as its factorization.

20826550753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 20826550753 in words is "twenty billion, eight hundred twenty-six million, five hundred fifty thousand, seven hundred fifty-three".