20130100232 has 32 divisors (see below), whose sum is σ = 42503443200. Its totient is φ = 8854881600.

The previous prime is 20130100229. The next prime is 20130100283. The reversal of 20130100232 is 23200103102.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3686807 + ... + 3692262.

It is an arithmetic number, because the mean of its divisors is an integer number (1328232600).

Almost surely, 2^20130100232 is an apocalyptic number.

20130100232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20130100232 is an abundant number, since it is smaller than the sum of its proper divisors (22373342968).

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

20130100232 is a wasteful number, since it uses less digits than its factorization.

20130100232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7379117 (or 7379113 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20130100232 its reverse (23200103102), we get a palindrome (43330203334).

The spelling of 20130100232 in words is "twenty billion, one hundred thirty million, one hundred thousand, two hundred thirty-two".