20244408 has 32 divisors (see below), whose sum is σ = 50924160. Its totient is φ = 6706400.

The previous prime is 20244397. The next prime is 20244409. The reversal of 20244408 is 80444202.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20244409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1483 + ... + 6533.

It is an arithmetic number, because the mean of its divisors is an integer number (1591380).

Almost surely, 2^20244408 is an apocalyptic number.

It is an amenable number.

20244408 is an abundant number, since it is smaller than the sum of its proper divisors (30679752).

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

20244408 is a wasteful number, since it uses less digits than its factorization.

20244408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5227 (or 5223 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 20244408 is about 4499.3786237657. The cubic root of 20244408 is about 272.5429968906.

The spelling of 20244408 in words is "twenty million, two hundred forty-four thousand, four hundred eight".