20130254004 has 48 divisors (see below), whose sum is σ = 54560702336. Its totient is φ = 5657212800.

The previous prime is 20130253993. The next prime is 20130254009. The reversal of 20130254004 is 40045203102.

It is a super-3 number, since 3×20130254004³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130254009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1959187 + ... + 1969434.

Almost surely, 2^20130254004 is an apocalyptic number.

It is an amenable number.

20130254004 is an abundant number, since it is smaller than the sum of its proper divisors (34430448332).

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

20130254004 is a wasteful number, since it uses less digits than its factorization.

20130254004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3928696 (or 3928694 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 20130254004 its reverse (40045203102), we get a palindrome (60175457106).

The spelling of 20130254004 in words is "twenty billion, one hundred thirty million, two hundred fifty-four thousand, four".