20302312102 has 16 divisors (see below), whose sum is σ = 30675561840. Its totient is φ = 10077317632.

The previous prime is 20302312097. The next prime is 20302312103. The reversal of 20302312102 is 20121320302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302312103) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 164478 + ... + 260110.

It is an arithmetic number, because the mean of its divisors is an integer number (1917222615).

Almost surely, 2^20302312102 is an apocalyptic number.

20302312102 is a deficient number, since it is larger than the sum of its proper divisors (10373249738).

20302312102 is a wasteful number, since it uses less digits than its factorization.

20302312102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96407.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20302312102 its reverse (20121320302), we get a palindrome (40423632404).

It can be divided in two parts, 2030 and 2312102, that added together give a palindrome (2314132).

The spelling of 20302312102 in words is "twenty billion, three hundred two million, three hundred twelve thousand, one hundred two".