20456012006 has 16 divisors (see below), whose sum is σ = 31562334720. Its totient is φ = 9938365320.

The previous prime is 20456011997. The next prime is 20456012033. The reversal of 20456012006 is 60021065402.

It is a super-2 number, since 2×20456012006² (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 7 ways as a sum of consecutive naturals, for example, 769730 + ... + 795861.

It is an arithmetic number, because the mean of its divisors is an integer number (1972645920).

Almost surely, 2^20456012006 is an apocalyptic number.

20456012006 is a deficient number, since it is larger than the sum of its proper divisors (11106322714).

20456012006 is a wasteful number, since it uses less digits than its factorization.

20456012006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565779.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 20456012006 its reverse (60021065402), we get a palindrome (80477077408).

The spelling of 20456012006 in words is "twenty billion, four hundred fifty-six million, twelve thousand, six".