20253192 has 16 divisors (see below), whose sum is σ = 50633040. Its totient is φ = 6751056.

The previous prime is 20253187. The next prime is 20253197. The reversal of 20253192 is 29135202.

It is an interprime number because it is at equal distance from previous prime (20253187) and next prime (20253197).

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 843883 = 20253192 / (2 + 0 + 2 + 5 + 3 + 1 + 9 + 2).

It is not an unprimeable number, because it can be changed into a prime (20253197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421918 + ... + 421965.

It is an arithmetic number, because the mean of its divisors is an integer number (3164565).

Almost surely, 2^20253192 is an apocalyptic number.

It is an amenable number.

20253192 is an abundant number, since it is smaller than the sum of its proper divisors (30379848).

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

20253192 is a wasteful number, since it uses less digits than its factorization.

20253192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843892 (or 843888 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 20253192 is about 4500.3546526913. The cubic root of 20253192 is about 272.5824097747.

Adding to 20253192 its reverse (29135202), we get a palindrome (49388394).

The spelling of 20253192 in words is "twenty million, two hundred fifty-three thousand, one hundred ninety-two".