20125204030 has 16 divisors (see below), whose sum is σ = 37393928064. Its totient is φ = 7790401440.

The previous prime is 20125204019. The next prime is 20125204039. The reversal of 20125204030 is 3040252102.

It is a junction number, because it is equal to n+sod(n) for n = 20125203989 and 20125204007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20125204039) 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, 32459697 + ... + 32460316.

It is an arithmetic number, because the mean of its divisors is an integer number (2337120504).

Almost surely, 2^20125204030 is an apocalyptic number.

20125204030 is a deficient number, since it is larger than the sum of its proper divisors (17268724034).

20125204030 is a wasteful number, since it uses less digits than its factorization.

20125204030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64920051.

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 20125204030 its reverse (3040252102), we get a palindrome (23165456132).

The spelling of 20125204030 in words is "twenty billion, one hundred twenty-five million, two hundred four thousand, thirty".