20020101230131 has 16 divisors (see below), whose sum is σ = 20830022496000. Its totient is φ = 19221039129600.

The previous prime is 20020101230119. The next prime is 20020101230179. The reversal of 20020101230131 is 13103210102002.

It is a cyclic number.

It is not a de Polignac number, because 20020101230131 - 2⁵ = 20020101230099 is a prime.

It is a super-2 number, since 2×20020101230131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020101230431) 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, 3023206 + ... + 7012843.

It is an arithmetic number, because the mean of its divisors is an integer number (1301876406000).

Almost surely, 2^{20020101230131} is an apocalyptic number.

20020101230131 is a deficient number, since it is larger than the sum of its proper divisors (809921265869).

20020101230131 is a wasteful number, since it uses less digits than its factorization.

20020101230131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10036590.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20020101230131 its reverse (13103210102002), we get a palindrome (33123311332133).

The spelling of 20020101230131 in words is "twenty trillion, twenty billion, one hundred one million, two hundred thirty thousand, one hundred thirty-one".