20368422 has 20 divisors (see below), whose sum is σ = 45640716. Its totient is φ = 6789420.

The previous prime is 20368417. The next prime is 20368423. The reversal of 20368422 is 22486302.

It is a super-2 number, since 2×20368422² = 829745229540168, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20368423) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 62704 + ... + 63027.

Almost surely, 2^20368422 is an apocalyptic number.

20368422 is an abundant number, since it is smaller than the sum of its proper divisors (25272294).

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

20368422 is a wasteful number, since it uses less digits than its factorization.

20368422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125745 (or 125736 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 20368422 is about 4513.1388190482. The cubic root of 20368422 is about 273.0983826065.

The spelling of 20368422 in words is "twenty million, three hundred sixty-eight thousand, four hundred twenty-two".