20130022311 has 32 divisors (see below), whose sum is σ = 31500288000. Its totient is φ = 11197236960.

The previous prime is 20130022307. The next prime is 20130022313. The reversal of 20130022311 is 11322003102.

It is not a de Polignac number, because 20130022311 - 2² = 20130022307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130022313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32340 + ... + 203238.

It is an arithmetic number, because the mean of its divisors is an integer number (984384000).

Almost surely, 2^20130022311 is an apocalyptic number.

20130022311 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20130022311 is a deficient number, since it is larger than the sum of its proper divisors (11370265689).

20130022311 is a wasteful number, since it uses less digits than its factorization.

20130022311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171059.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20130022311 its reverse (11322003102), we get a palindrome (31452025413).

The spelling of 20130022311 in words is "twenty billion, one hundred thirty million, twenty-two thousand, three hundred eleven".