20869252421304 has 64 divisors (see below), whose sum is σ = 59626850595840. Its totient is φ = 5962602038400.

The previous prime is 20869252421293. The next prime is 20869252421357. The reversal of 20869252421304 is 40312425296802.

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 15 ways as a sum of consecutive naturals, for example, 30218254 + ... + 30901154.

It is an arithmetic number, because the mean of its divisors is an integer number (931669540560).

Almost surely, 2^{20869252421304} is an apocalyptic number.

20869252421304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20869252421304 is an abundant number, since it is smaller than the sum of its proper divisors (38757598174536).

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

20869252421304 is a wasteful number, since it uses less digits than its factorization.

20869252421304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864820 (or 864816 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 20869252421304 in words is "twenty trillion, eight hundred sixty-nine billion, two hundred fifty-two million, four hundred twenty-one thousand, three hundred four".