20624085 has 32 divisors (see below), whose sum is σ = 36881280. Its totient is φ = 10934784.

The previous prime is 20624069. The next prime is 20624113. The reversal of 20624085 is 58042602.

It is not a de Polignac number, because 20624085 - 2⁴ = 20624069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30309 + ... + 30981.

It is an arithmetic number, because the mean of its divisors is an integer number (1152540).

Almost surely, 2^20624085 is an apocalyptic number.

It is an amenable number.

20624085 is a deficient number, since it is larger than the sum of its proper divisors (16257195).

20624085 is a wasteful number, since it uses less digits than its factorization.

20624085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914 (or 908 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 20624085 is about 4541.3747918444. The cubic root of 20624085 is about 274.2362721289.

Adding to 20624085 its reverse (58042602), we get a palindrome (78666687).

The spelling of 20624085 in words is "twenty million, six hundred twenty-four thousand, eighty-five".