20130304143402 has 128 divisors (see below), whose sum is σ = 50028717600000. Its totient is φ = 5971848374016.

The previous prime is 20130304143337. The next prime is 20130304143427. The reversal of 20130304143402 is 20434140303102.

20130304143402 is a `hidden beast` number, since 2 + 0 + 1 + 3 + 0 + 304 + 14 + 340 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8041777 + ... + 10243572.

It is an arithmetic number, because the mean of its divisors is an integer number (390849356250).

Almost surely, 2^{20130304143402} is an apocalyptic number.

20130304143402 is an abundant number, since it is smaller than the sum of its proper divisors (29898413456598).

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

20130304143402 is a wasteful number, since it uses less digits than its factorization.

20130304143402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18285445 (or 18285439 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 20130304143402 its reverse (20434140303102), we get a palindrome (40564444446504).

The spelling of 20130304143402 in words is "twenty trillion, one hundred thirty billion, three hundred four million, one hundred forty-three thousand, four hundred two".