20431300130 has 32 divisors (see below), whose sum is σ = 37207641600. Its totient is φ = 8076765312.

The previous prime is 20431300117. The next prime is 20431300147. The reversal of 20431300130 is 3100313402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20431300099 and 20431300108.

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, 2415689 + ... + 2424131.

It is an arithmetic number, because the mean of its divisors is an integer number (1162738800).

Almost surely, 2^20431300130 is an apocalyptic number.

20431300130 is a deficient number, since it is larger than the sum of its proper divisors (16776341470).

20431300130 is a wasteful number, since it uses less digits than its factorization.

20431300130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11258.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20431300130 its reverse (3100313402), we get a palindrome (23531613532).

The spelling of 20431300130 in words is "twenty billion, four hundred thirty-one million, three hundred thousand, one hundred thirty".