20812364014461 has 32 divisors (see below), whose sum is σ = 29409836400000. Its totient is φ = 13046441041920.

The previous prime is 20812364014423. The next prime is 20812364014499. The reversal of 20812364014461 is 16441046321802.

It is an interprime number because it is at equal distance from previous prime (20812364014423) and next prime (20812364014499).

It is not a de Polignac number, because 20812364014461 - 2¹⁸ = 20812363752317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20812364013461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 556774270 + ... + 556811648.

It is an arithmetic number, because the mean of its divisors is an integer number (919057387500).

Almost surely, 2^{20812364014461} is an apocalyptic number.

It is an amenable number.

20812364014461 is a deficient number, since it is larger than the sum of its proper divisors (8597472385539).

20812364014461 is a wasteful number, since it uses less digits than its factorization.

20812364014461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47389.

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 20812364014461 in words is "twenty trillion, eight hundred twelve billion, three hundred sixty-four million, fourteen thousand, four hundred sixty-one".