20130489652 has 48 divisors (see below), whose sum is σ = 43404221952. Its totient is φ = 7955216640.

The previous prime is 20130489611. The next prime is 20130489703. The reversal of 20130489652 is 25698403102.

It is a super-2 number, since 2×20130489652² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 317877 + ... + 375907.

It is an arithmetic number, because the mean of its divisors is an integer number (904254624).

Almost surely, 2^20130489652 is an apocalyptic number.

It is an amenable number.

20130489652 is an abundant number, since it is smaller than the sum of its proper divisors (23273732300).

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

20130489652 is a wasteful number, since it uses less digits than its factorization.

20130489652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59008 (or 59006 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 20130489652 in words is "twenty billion, one hundred thirty million, four hundred eighty-nine thousand, six hundred fifty-two".