20310307102 has 8 divisors (see below), whose sum is σ = 30531262176. Its totient is φ = 10133219712.

The previous prime is 20310307097. The next prime is 20310307111. The reversal of 20310307102 is 20170301302.

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 20310307102.

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, 10965763 + ... + 10967614.

It is an arithmetic number, because the mean of its divisors is an integer number (3816407772).

Almost surely, 2^20310307102 is an apocalyptic number.

20310307102 is a deficient number, since it is larger than the sum of its proper divisors (10220955074).

20310307102 is a wasteful number, since it uses less digits than its factorization.

20310307102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21933842.

The product of its (nonzero) digits is 252, while the sum is 19.

Adding to 20310307102 its reverse (20170301302), we get a palindrome (40480608404).

The spelling of 20310307102 in words is "twenty billion, three hundred ten million, three hundred seven thousand, one hundred two".