20462613 has 16 divisors (see below), whose sum is σ = 27812160. Its totient is φ = 13380224.

The previous prime is 20462581. The next prime is 20462627. The reversal of 20462613 is 31626402.

It is a cyclic number.

It is not a de Polignac number, because 20462613 - 2⁵ = 20462581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20462653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45970 + ... + 46412.

It is an arithmetic number, because the mean of its divisors is an integer number (1738260).

Almost surely, 2^20462613 is an apocalyptic number.

It is an amenable number.

20462613 is a deficient number, since it is larger than the sum of its proper divisors (7349547).

20462613 is a wasteful number, since it uses less digits than its factorization.

20462613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 20462613 is about 4523.5619814478. The cubic root of 20462613 is about 273.5187041519.

The spelling of 20462613 in words is "twenty million, four hundred sixty-two thousand, six hundred thirteen".