20464052313155 has 32 divisors (see below), whose sum is σ = 27364671203328. Its totient is φ = 14563423728000.

The previous prime is 20464052313059. The next prime is 20464052313161. The reversal of 20464052313155 is 55131325046402.

It is not a de Polignac number, because 20464052313155 - 2³⁶ = 20395332836419 is a prime.

It is a Duffinian 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 31 ways as a sum of consecutive naturals, for example, 12410114 + ... + 13962056.

It is an arithmetic number, because the mean of its divisors is an integer number (855145975104).

Almost surely, 2^{20464052313155} is an apocalyptic number.

20464052313155 is a deficient number, since it is larger than the sum of its proper divisors (6900618890173).

20464052313155 is a wasteful number, since it uses less digits than its factorization.

20464052313155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557107.

The product of its (nonzero) digits is 432000, while the sum is 41.

Adding to 20464052313155 its reverse (55131325046402), we get a palindrome (75595377359557).

The spelling of 20464052313155 in words is "twenty trillion, four hundred sixty-four billion, fifty-two million, three hundred thirteen thousand, one hundred fifty-five".