20084913 has 12 divisors (see below), whose sum is σ = 29686800. Its totient is φ = 13078296.

The previous prime is 20084899. The next prime is 20084927. The reversal of 20084913 is 31948002.

It is an interprime number because it is at equal distance from previous prime (20084899) and next prime (20084927).

It is not a de Polignac number, because 20084913 - 2⁹ = 20084401 is a prime.

It is a super-3 number, since 3×20084913³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20084983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25563 + ... + 26336.

It is an arithmetic number, because the mean of its divisors is an integer number (2473900).

Almost surely, 2^20084913 is an apocalyptic number.

It is an amenable number.

20084913 is a deficient number, since it is larger than the sum of its proper divisors (9601887).

20084913 is a wasteful number, since it uses less digits than its factorization.

20084913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51948 (or 51945 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 20084913 is about 4481.6194617571. The cubic root of 20084913 is about 271.8253681894.

The spelling of 20084913 in words is "twenty million, eighty-four thousand, nine hundred thirteen".