20485422 has 24 divisors (see below), whose sum is σ = 44498376. Its totient is φ = 6811056.

The previous prime is 20485369. The next prime is 20485427. The reversal of 20485422 is 22458402.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20485427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7188 + ... + 9624.

It is an arithmetic number, because the mean of its divisors is an integer number (1854099).

Almost surely, 2^20485422 is an apocalyptic number.

20485422 is an abundant number, since it is smaller than the sum of its proper divisors (24012954).

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

20485422 is a wasteful number, since it uses less digits than its factorization.

20485422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2912 (or 2909 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 20485422 is about 4526.0824119762. The cubic root of 20485422 is about 273.6202938420.

The spelling of 20485422 in words is "twenty million, four hundred eighty-five thousand, four hundred twenty-two".