20131102201000 has 128 divisors (see below), whose sum is σ = 54852099644160. Its totient is φ = 6771863904000.

The previous prime is 20131102200983. The next prime is 20131102201003. The reversal of 20131102201000 is 10220113102.

It is a super-2 number, since 2×20131102201000² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20131102201003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26759866 + ... + 27501865.

It is an arithmetic number, because the mean of its divisors is an integer number (428532028470).

Almost surely, 2^{20131102201000} is an apocalyptic number.

20131102201000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20131102201000 is an abundant number, since it is smaller than the sum of its proper divisors (34720997443160).

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

20131102201000 is a wasteful number, since it uses less digits than its factorization.

20131102201000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54261812 (or 54261798 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20131102201000 its reverse (10220113102), we get a palindrome (20141322314102).

The spelling of 20131102201000 in words is "twenty trillion, one hundred thirty-one billion, one hundred two million, two hundred one thousand".