20125100330 has 16 divisors (see below), whose sum is σ = 36228166920. Its totient is φ = 8049376512.

The previous prime is 20125100323. The next prime is 20125100341. The reversal of 20125100330 is 3300152102.

It can be written as a sum of positive squares in 4 ways, for example, as 13798965961 + 6326134369 = 117469^2 + 79537^2 .

It is a super-2 number, since 2×20125100330² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20125100299 and 20125100308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55406 + ... + 208134.

Almost surely, 2^20125100330 is an apocalyptic number.

20125100330 is a deficient number, since it is larger than the sum of its proper divisors (16103066590).

20125100330 is a wasteful number, since it uses less digits than its factorization.

20125100330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165913.

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 20125100330 its reverse (3300152102), we get a palindrome (23425252432).

The spelling of 20125100330 in words is "twenty billion, one hundred twenty-five million, one hundred thousand, three hundred thirty".