20213120032102 has 32 divisors (see below), whose sum is σ = 31565469600000. Its totient is φ = 9695880333216.

The previous prime is 20213120032081. The next prime is 20213120032103. The reversal of 20213120032102 is 20123002131202.

It is a self number, because there is not a number n which added to its sum of digits gives 20213120032102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20213120032103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7344649 + ... + 9714427.

It is an arithmetic number, because the mean of its divisors is an integer number (986420925000).

Almost surely, 2^{20213120032102} is an apocalyptic number.

20213120032102 is a deficient number, since it is larger than the sum of its proper divisors (11352349567898).

20213120032102 is a wasteful number, since it uses less digits than its factorization.

20213120032102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370748.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20213120032102 its reverse (20123002131202), we get a palindrome (40336122163304).

The spelling of 20213120032102 in words is "twenty trillion, two hundred thirteen billion, one hundred twenty million, thirty-two thousand, one hundred two".