20002323325 has 12 divisors (see below), whose sum is σ = 24815513268. Its totient is φ = 15993708800.

The previous prime is 20002323241. The next prime is 20002323337. The reversal of 20002323325 is 52332320002.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 5290816644 + 14711506681 = 72738^2 + 121291^2 .

It is not a de Polignac number, because 20002323325 - 2³³ = 11412388733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20002323296 and 20002323305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153436 + ... + 252085.

It is an arithmetic number, because the mean of its divisors is an integer number (2067959439).

Almost surely, 2^20002323325 is an apocalyptic number.

20002323325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20002323325 is a deficient number, since it is larger than the sum of its proper divisors (4813189943).

20002323325 is a wasteful number, since it uses less digits than its factorization.

20002323325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407504 (or 407499 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 22.

Adding to 20002323325 its reverse (52332320002), we get a palindrome (72334643327).

The spelling of 20002323325 in words is "twenty billion, two million, three hundred twenty-three thousand, three hundred twenty-five".