20046624 has 48 divisors (see below), whose sum is σ = 56673792. Its totient is φ = 6167808.

The previous prime is 20046619. The next prime is 20046659. The reversal of 20046624 is 42664002.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 20046594 and 20046603.

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, 6784 + ... + 9279.

It is an arithmetic number, because the mean of its divisors is an integer number (1180704).

Almost surely, 2^20046624 is an apocalyptic number.

20046624 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20046624 is an abundant number, since it is smaller than the sum of its proper divisors (36627168).

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

20046624 is a wasteful number, since it uses less digits than its factorization.

20046624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16089 (or 16081 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 20046624 is about 4477.3456422304. The cubic root of 20046624 is about 271.6525263110.

It can be divided in two parts, 200466 and 24, that multiplied together give a palindrome (4811184).

The spelling of 20046624 in words is "twenty million, forty-six thousand, six hundred twenty-four".