20846492361 has 24 divisors (see below), whose sum is σ = 30633308160. Its totient is φ = 13657048416.

The previous prime is 20846492347. The next prime is 20846492363. The reversal of 20846492361 is 16329464802.

20846492361 is a `hidden beast` number, since 20 + 84 + 6 + 492 + 3 + 61 = 666.

It is not a de Polignac number, because 20846492361 - 2⁶ = 20846492297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20846492363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1897095 + ... + 1908051.

It is an arithmetic number, because the mean of its divisors is an integer number (1276387840).

Almost surely, 2^20846492361 is an apocalyptic number.

It is an amenable number.

20846492361 is a deficient number, since it is larger than the sum of its proper divisors (9786815799).

20846492361 is a wasteful number, since it uses less digits than its factorization.

20846492361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14605 (or 14602 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 20846492361 in words is "twenty billion, eight hundred forty-six million, four hundred ninety-two thousand, three hundred sixty-one".