20111320102002 has 32 divisors (see below), whose sum is σ = 41586985224000. Its totient is φ = 6478814518848.

The previous prime is 20111320101989. The next prime is 20111320102169. The reversal of 20111320102002 is 20020102311102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303965352 + ... + 304031507.

It is an arithmetic number, because the mean of its divisors is an integer number (1299593288250).

Almost surely, 2^{20111320102002} is an apocalyptic number.

20111320102002 is an abundant number, since it is smaller than the sum of its proper divisors (21475665121998).

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

20111320102002 is a wasteful number, since it uses less digits than its factorization.

20111320102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607997050.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20111320102002 its reverse (20020102311102), we get a palindrome (40131422413104).

The spelling of 20111320102002 in words is "twenty trillion, one hundred eleven billion, three hundred twenty million, one hundred two thousand, two".