20225592 has 32 divisors (see below), whose sum is σ = 56182800. Its totient is φ = 6741792.

The previous prime is 20225591. The next prime is 20225593. The reversal of 20225592 is 29552202.

It is an interprime number because it is at equal distance from previous prime (20225591) and next prime (20225593).

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 (20225591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46603 + ... + 47034.

Almost surely, 2^20225592 is an apocalyptic number.

It is an amenable number.

20225592 is an abundant number, since it is smaller than the sum of its proper divisors (35957208).

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

20225592 is a wasteful number, since it uses less digits than its factorization.

20225592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93652 (or 93642 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 20225592 is about 4497.2871822911. The cubic root of 20225592 is about 272.4585330949.

Adding to 20225592 its reverse (29552202), we get a palindrome (49777794).

The spelling of 20225592 in words is "twenty million, two hundred twenty-five thousand, five hundred ninety-two".