20372263647461 has 16 divisors (see below), whose sum is σ = 22233520310400. Its totient is φ = 18512546956800.

The previous prime is 20372263647451. The next prime is 20372263647473. The reversal of 20372263647461 is 16474636227302.

It is a cyclic number.

It is not a de Polignac number, because 20372263647461 - 2¹⁴ = 20372263631077 is a prime.

It is a super-2 number, since 2×20372263647461² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20372263647431) 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, 480921800 + ... + 480964158.

It is an arithmetic number, because the mean of its divisors is an integer number (1389595019400).

Almost surely, 2^{20372263647461} is an apocalyptic number.

It is an amenable number.

20372263647461 is a deficient number, since it is larger than the sum of its proper divisors (1861256662939).

20372263647461 is a wasteful number, since it uses less digits than its factorization.

20372263647461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59500.

The product of its (nonzero) digits is 12192768, while the sum is 53.

The spelling of 20372263647461 in words is "twenty trillion, three hundred seventy-two billion, two hundred sixty-three million, six hundred forty-seven thousand, four hundred sixty-one".