20315230010 has 64 divisors (see below), whose sum is σ = 40511404800. Its totient is φ = 7295726592.

The previous prime is 20315229973. The next prime is 20315230057. The reversal of 20315230010 is 1003251302.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1475036 + ... + 1488744.

It is an arithmetic number, because the mean of its divisors is an integer number (632990700).

Almost surely, 2^20315230010 is an apocalyptic number.

20315230010 is a deficient number, since it is larger than the sum of its proper divisors (20196174790).

20315230010 is a wasteful number, since it uses less digits than its factorization.

20315230010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14135.

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

Adding to 20315230010 its reverse (1003251302), we get a palindrome (21318481312).

The spelling of 20315230010 in words is "twenty billion, three hundred fifteen million, two hundred thirty thousand, ten".