20130240010100 has 144 divisors (see below), whose sum is σ = 50550222453696. Its totient is φ = 6876755712000.

The previous prime is 20130240010093. The next prime is 20130240010109. The reversal of 20130240010100 is 101004203102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130240010109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9121799 + ... + 11111601.

It is an arithmetic number, because the mean of its divisors is an integer number (351043211484).

Almost surely, 2^{20130240010100} is an apocalyptic number.

20130240010100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20130240010100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25275111226848).

20130240010100 is an abundant number, since it is smaller than the sum of its proper divisors (30419982443596).

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

20130240010100 is a wasteful number, since it uses less digits than its factorization.

20130240010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990386 (or 1990379 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20130240010100 its reverse (101004203102), we get a palindrome (20231244213202).

The spelling of 20130240010100 in words is "twenty trillion, one hundred thirty billion, two hundred forty million, ten thousand, one hundred".