20130400213002 has 24 divisors (see below), whose sum is σ = 43625786760036. Its totient is φ = 6708607307136.

The previous prime is 20130400212997. The next prime is 20130400213031. The reversal of 20130400213002 is 20031200403102.

20130400213002 is a `hidden beast` number, since 2 + 0 + 130 + 400 + 2 + 130 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19865927608641 + 264472604361 = 4457121^2 + 514269^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127093423 + ... + 127251714.

Almost surely, 2^{20130400213002} is an apocalyptic number.

20130400213002 is an abundant number, since it is smaller than the sum of its proper divisors (23495386547034).

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

20130400213002 is a wasteful number, since it uses less digits than its factorization.

20130400213002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254349542 (or 254349539 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20130400213002 its reverse (20031200403102), we get a palindrome (40161600616104).

The spelling of 20130400213002 in words is "twenty trillion, one hundred thirty billion, four hundred million, two hundred thirteen thousand, two".