20626469984334 has 16 divisors (see below), whose sum is σ = 43424147335680. Its totient is φ = 6513622100280.

The previous prime is 20626469984299. The next prime is 20626469984381. The reversal of 20626469984334 is 43348996462602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90466973502 + ... + 90466973729.

It is an arithmetic number, because the mean of its divisors is an integer number (2714009208480).

Almost surely, 2^{20626469984334} is an apocalyptic number.

20626469984334 is an abundant number, since it is smaller than the sum of its proper divisors (22797677351346).

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

20626469984334 is a wasteful number, since it uses less digits than its factorization.

20626469984334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180933947255.

The product of its (nonzero) digits is 322486272, while the sum is 66.

The spelling of 20626469984334 in words is "twenty trillion, six hundred twenty-six billion, four hundred sixty-nine million, nine hundred eighty-four thousand, three hundred thirty-four".