20854482 has 16 divisors (see below), whose sum is σ = 45500832. Its totient is φ = 6319520.

The previous prime is 20854469. The next prime is 20854523. The reversal of 20854482 is 28445802.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 157923 + ... + 158054.

It is an arithmetic number, because the mean of its divisors is an integer number (2843802).

Almost surely, 2^20854482 is an apocalyptic number.

20854482 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20854482 is an abundant number, since it is smaller than the sum of its proper divisors (24646350).

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

20854482 is a wasteful number, since it uses less digits than its factorization.

20854482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315993.

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 20854482 is about 4566.6707785870. The cubic root of 20854482 is about 275.2536810647.

The spelling of 20854482 in words is "twenty million, eight hundred fifty-four thousand, four hundred eighty-two".