20130202420051 has 2 divisors, whose sum is σ = 20130202420052. Its totient is φ = 20130202420050.

The previous prime is 20130202419983. The next prime is 20130202420151. The reversal of 20130202420051 is 15002420203102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20130202420051 - 2²⁵ = 20130168865619 is a prime.

It is a super-3 number, since 3×20130202420051³ (a number of 41 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (20130202420151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10065101210025 + 10065101210026.

It is an arithmetic number, because the mean of its divisors is an integer number (10065101210026).

Almost surely, 2^{20130202420051} is an apocalyptic number.

20130202420051 is a deficient number, since it is larger than the sum of its proper divisors (1).

20130202420051 is an equidigital number, since it uses as much as digits as its factorization.

20130202420051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 20130202420051 its reverse (15002420203102), we get a palindrome (35132622623153).

The spelling of 20130202420051 in words is "twenty trillion, one hundred thirty billion, two hundred two million, four hundred twenty thousand, fifty-one".