20304054125 has 16 divisors (see below), whose sum is σ = 26830018800. Its totient is φ = 15287756800.

The previous prime is 20304054101. The next prime is 20304054131. The reversal of 20304054125 is 52145040302.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3950248201 + 16353805924 = 62851^2 + 127882^2 .

It is not a de Polignac number, because 20304054125 - 2²² = 20299859821 is a prime.

It is a super-2 number, since 2×20304054125² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20304054094 and 20304054103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4775300 + ... + 4779549.

It is an arithmetic number, because the mean of its divisors is an integer number (1676876175).

Almost surely, 2^20304054125 is an apocalyptic number.

20304054125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20304054125 is a deficient number, since it is larger than the sum of its proper divisors (6525964675).

20304054125 is an equidigital number, since it uses as much as digits as its factorization.

20304054125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9554881 (or 9554871 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 20304054125 its reverse (52145040302), we get a palindrome (72449094427).

The spelling of 20304054125 in words is "twenty billion, three hundred four million, fifty-four thousand, one hundred twenty-five".