20485008 has 40 divisors (see below), whose sum is σ = 58800800. Its totient is φ = 6828192.

The previous prime is 20485007. The next prime is 20485009. The reversal of 20485008 is 80058402.

It is an interprime number because it is at equal distance from previous prime (20485007) and next prime (20485009).

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

It is not an unprimeable number, because it can be changed into a prime (20485007) 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, 23278 + ... + 24141.

It is an arithmetic number, because the mean of its divisors is an integer number (1470020).

Almost surely, 2^20485008 is an apocalyptic number.

It is an amenable number.

20485008 is an abundant number, since it is smaller than the sum of its proper divisors (38315792).

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

20485008 is a wasteful number, since it uses less digits than its factorization.

20485008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47436 (or 47424 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 20485008 is about 4526.0366768289. The cubic root of 20485008 is about 273.6184505871.

It can be divided in two parts, 2048 and 5008, that added together give a square (7056 = 84²).

The spelling of 20485008 in words is "twenty million, four hundred eighty-five thousand, eight".