20962822326457 has 16 divisors (see below), whose sum is σ = 23958559862784. Its totient is φ = 18167106474000.

The previous prime is 20962822326451. The next prime is 20962822326517. The reversal of 20962822326457 is 75462322826902.

It is a de Polignac number, because none of the positive numbers 2^k-20962822326457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20962822326451) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 458742469 + ... + 458788162.

It is an arithmetic number, because the mean of its divisors is an integer number (1497409991424).

Almost surely, 2^{20962822326457} is an apocalyptic number.

It is an amenable number.

20962822326457 is a deficient number, since it is larger than the sum of its proper divisors (2995737536327).

20962822326457 is a wasteful number, since it uses less digits than its factorization.

20962822326457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917530740.

The product of its (nonzero) digits is 34836480, while the sum is 58.

The spelling of 20962822326457 in words is "twenty trillion, nine hundred sixty-two billion, eight hundred twenty-two million, three hundred twenty-six thousand, four hundred fifty-seven".