20464551229826 has 32 divisors (see below), whose sum is σ = 33555542042880. Its totient is φ = 9283170960000.

The previous prime is 20464551229817. The next prime is 20464551229861. The reversal of 20464551229826 is 62892215546402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23176550 + ... + 24043326.

It is an arithmetic number, because the mean of its divisors is an integer number (1048610688840).

Almost surely, 2^{20464551229826} is an apocalyptic number.

20464551229826 is a deficient number, since it is larger than the sum of its proper divisors (13090990813054).

20464551229826 is a wasteful number, since it uses less digits than its factorization.

20464551229826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868970.

The product of its (nonzero) digits is 16588800, while the sum is 56.

The spelling of 20464551229826 in words is "twenty trillion, four hundred sixty-four billion, five hundred fifty-one million, two hundred twenty-nine thousand, eight hundred twenty-six".