20325151 has 16 divisors (see below), whose sum is σ = 25862400. Its totient is φ = 15834840.

The previous prime is 20325133. The next prime is 20325161. The reversal of 20325151 is 15152302.

It is not a de Polignac number, because 20325151 - 2²¹ = 18227999 is a prime.

It is a super-2 number, since 2×20325151² = 826223526345602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20325101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1080 + ... + 6466.

It is an arithmetic number, because the mean of its divisors is an integer number (1616400).

Almost surely, 2^20325151 is an apocalyptic number.

20325151 is a deficient number, since it is larger than the sum of its proper divisors (5537249).

20325151 is an equidigital number, since it uses as much as digits as its factorization.

20325151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5419 (or 5405 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 20325151 is about 4508.3423783027. The cubic root of 20325151 is about 272.9048539792.

Adding to 20325151 its reverse (15152302), we get a palindrome (35477453).

It can be divided in two parts, 203251 and 51, that added together give a palindrome (203302).

The spelling of 20325151 in words is "twenty million, three hundred twenty-five thousand, one hundred fifty-one".