20312143010 has 8 divisors (see below), whose sum is σ = 36561857436. Its totient is φ = 8124857200.

The previous prime is 20312143003. The next prime is 20312143057. The reversal of 20312143010 is 1034121302.

It can be written as a sum of positive squares in 2 ways, for example, as 17625483121 + 2686659889 = 132761^2 + 51833^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20312143010.

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 3 ways as a sum of consecutive naturals, for example, 1015607141 + ... + 1015607160.

Almost surely, 2^20312143010 is an apocalyptic number.

20312143010 is a deficient number, since it is larger than the sum of its proper divisors (16249714426).

20312143010 is a wasteful number, since it uses less digits than its factorization.

20312143010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031214308.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20312143010 its reverse (1034121302), we get a palindrome (21346264312).

The spelling of 20312143010 in words is "twenty billion, three hundred twelve million, one hundred forty-three thousand, ten".