20231364346221 has 16 divisors (see below), whose sum is σ = 30837684240000. Its totient is φ = 11557427662848.

The previous prime is 20231364346117. The next prime is 20231364346241. The reversal of 20231364346221 is 12264346313202.

It is not a de Polignac number, because 20231364346221 - 2¹¹ = 20231364344173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20231364346221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20231364346241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139590996 + ... + 139735853.

It is an arithmetic number, because the mean of its divisors is an integer number (1927355265000).

Almost surely, 2^{20231364346221} is an apocalyptic number.

20231364346221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20231364346221 is a deficient number, since it is larger than the sum of its proper divisors (10606319893779).

20231364346221 is a wasteful number, since it uses less digits than its factorization.

20231364346221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279330308.

The product of its (nonzero) digits is 248832, while the sum is 39.

The spelling of 20231364346221 in words is "twenty trillion, two hundred thirty-one billion, three hundred sixty-four million, three hundred forty-six thousand, two hundred twenty-one".