20312462046 has 8 divisors (see below), whose sum is σ = 40624924104. Its totient is φ = 6770820680.

The previous prime is 20312462017. The next prime is 20312462063. The reversal of 20312462046 is 64026421302.

It is a sphenic number, since it is the product of 3 distinct primes.

20312462046 is an admirable number.

It is a super-2 number, since 2×20312462046² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1692705165 + ... + 1692705176.

It is an arithmetic number, because the mean of its divisors is an integer number (5078115513).

Almost surely, 2^20312462046 is an apocalyptic number.

20312462046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20312462046 is a wasteful number, since it uses less digits than its factorization.

20312462046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3385410346.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 20312462046 its reverse (64026421302), we get a palindrome (84338883348).

The spelling of 20312462046 in words is "twenty billion, three hundred twelve million, four hundred sixty-two thousand, forty-six".