20484822 has 16 divisors (see below), whose sum is σ = 41531760. Its totient is φ = 6734592.

The previous prime is 20484799. The next prime is 20484833. The reversal of 20484822 is 22848402.

It is a self number, because there is not a number n which added to its sum of digits gives 20484822.

It is a congruent number.

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, 22947 + ... + 23822.

It is an arithmetic number, because the mean of its divisors is an integer number (2595735).

Almost surely, 2^20484822 is an apocalyptic number.

20484822 is an abundant number, since it is smaller than the sum of its proper divisors (21046938).

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

20484822 is a wasteful number, since it uses less digits than its factorization.

20484822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46847.

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 20484822 is about 4526.0161290035. The cubic root of 20484822 is about 273.6176224500.

The spelling of 20484822 in words is "twenty million, four hundred eighty-four thousand, eight hundred twenty-two".