20460888 has 48 divisors (see below), whose sum is σ = 63332880. Its totient is φ = 5845824.

The previous prime is 20460887. The next prime is 20460893. The reversal of 20460888 is 88806402.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20460887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19795 + ... + 20802.

It is an arithmetic number, because the mean of its divisors is an integer number (1319435).

Almost surely, 2^20460888 is an apocalyptic number.

20460888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20460888 is an abundant number, since it is smaller than the sum of its proper divisors (42871992).

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

20460888 is a wasteful number, since it uses less digits than its factorization.

20460888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40616 (or 40609 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 20460888 is about 4523.3713091012. The cubic root of 20460888 is about 273.5110180527.

The spelling of 20460888 in words is "twenty million, four hundred sixty thousand, eight hundred eighty-eight".