20130323100100 has 18 divisors (see below), whose sum is σ = 43682801127434. Its totient is φ = 8052129240000.

The previous prime is 20130323100089. The next prime is 20130323100113. The reversal of 20130323100100 is 100132303102.

It can be written as a sum of positive squares in 3 ways, for example, as 2036648660544 + 18093674439556 = 1427112^2 + 4253666^2 .

It is a super-2 number, since 2×20130323100100² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100651615401 + ... + 100651615600.

Almost surely, 2^{20130323100100} is an apocalyptic number.

20130323100100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20130323100100 is an abundant number, since it is smaller than the sum of its proper divisors (23552478027334).

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

20130323100100 is a wasteful number, since it uses less digits than its factorization.

20130323100100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201303231015 (or 201303231008 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20130323100100 its reverse (100132303102), we get a palindrome (20230455403202).

The spelling of 20130323100100 in words is "twenty trillion, one hundred thirty billion, three hundred twenty-three million, one hundred thousand, one hundred".