20123130304 has 28 divisors (see below), whose sum is σ = 39936525664. Its totient is φ = 10060383744.

The previous prime is 20123130283. The next prime is 20123130311. The reversal of 20123130304 is 40303132102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 841132 + ... + 864724.

It is an arithmetic number, because the mean of its divisors is an integer number (1426304488).

Almost surely, 2^20123130304 is an apocalyptic number.

It is an amenable number.

20123130304 is a deficient number, since it is larger than the sum of its proper divisors (19813395360).

20123130304 is a wasteful number, since it uses less digits than its factorization.

20123130304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36932 (or 36922 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20123130304 its reverse (40303132102), we get a palindrome (60426262406).

The spelling of 20123130304 in words is "twenty billion, one hundred twenty-three million, one hundred thirty thousand, three hundred four".