20321301102 has 16 divisors (see below), whose sum is σ = 41953654272. Its totient is φ = 6555258360.

The previous prime is 20321301089. The next prime is 20321301107. The reversal of 20321301102 is 20110312302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20321301107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54626968 + ... + 54627339.

It is an arithmetic number, because the mean of its divisors is an integer number (2622103392).

Almost surely, 2^20321301102 is an apocalyptic number.

20321301102 is an abundant number, since it is smaller than the sum of its proper divisors (21632353170).

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

20321301102 is a wasteful number, since it uses less digits than its factorization.

20321301102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109254343.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20321301102 its reverse (20110312302), we get a palindrome (40431613404).

It can be divided in two parts, 20321301 and 102, that multiplied together give a palindrome (2072772702).

The spelling of 20321301102 in words is "twenty billion, three hundred twenty-one million, three hundred one thousand, one hundred two".