20020130311 has 16 divisors (see below), whose sum is σ = 21669120000. Its totient is φ = 18431890848.

The previous prime is 20020130303. The next prime is 20020130371. The reversal of 20020130311 is 11303102002.

It is a cyclic number.

It is not a de Polignac number, because 20020130311 - 2³ = 20020130303 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20020130291 and 20020130300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020130371) 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, 590190 + ... + 623188.

It is an arithmetic number, because the mean of its divisors is an integer number (1354320000).

Almost surely, 2^20020130311 is an apocalyptic number.

20020130311 is a deficient number, since it is larger than the sum of its proper divisors (1648989689).

20020130311 is a wasteful number, since it uses less digits than its factorization.

20020130311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33918.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20020130311 its reverse (11303102002), we get a palindrome (31323232313).

The spelling of 20020130311 in words is "twenty billion, twenty million, one hundred thirty thousand, three hundred eleven".