20310300402 has 32 divisors (see below), whose sum is σ = 46432776192. Its totient is φ = 5801788944.

The previous prime is 20310300359. The next prime is 20310300431. The reversal of 20310300402 is 20400301302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178143 + ... + 268989.

It is an arithmetic number, because the mean of its divisors is an integer number (1451024256).

Almost surely, 2^20310300402 is an apocalyptic number.

20310300402 is an abundant number, since it is smaller than the sum of its proper divisors (26122475790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20310300402 is a wasteful number, since it uses less digits than its factorization.

20310300402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96182.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20310300402 its reverse (20400301302), we get a palindrome (40710601704).

The spelling of 20310300402 in words is "twenty billion, three hundred ten million, three hundred thousand, four hundred two".