20462008 has 32 divisors (see below), whose sum is σ = 44748000. Its totient is φ = 8768256.

The previous prime is 20462003. The next prime is 20462011. The reversal of 20462008 is 80026402.

It is a self number, because there is not a number n which added to its sum of digits gives 20462008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20462003) 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, 985 + ... + 6472.

It is an arithmetic number, because the mean of its divisors is an integer number (1398375).

Almost surely, 2^20462008 is an apocalyptic number.

20462008 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20462008 is an abundant number, since it is smaller than the sum of its proper divisors (24285992).

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

20462008 is an equidigital number, since it uses as much as digits as its factorization.

20462008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7484 (or 7466 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 20462008 is about 4523.4951088732. The cubic root of 20462008 is about 273.5160084967.

The spelling of 20462008 in words is "twenty million, four hundred sixty-two thousand, eight".