20120220310011 has 16 divisors (see below), whose sum is σ = 26942998118400. Its totient is φ = 13355465203520.

The previous prime is 20120220309997. The next prime is 20120220310097. The reversal of 20120220310011 is 11001302202102.

It is a cyclic number.

It is not a de Polignac number, because 20120220310011 - 2⁷ = 20120220309883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20120220312011) 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, 21141190 + ... + 22072388.

It is an arithmetic number, because the mean of its divisors is an integer number (1683937382400).

Almost surely, 2^{20120220310011} is an apocalyptic number.

20120220310011 is a deficient number, since it is larger than the sum of its proper divisors (6822777808389).

20120220310011 is a wasteful number, since it uses less digits than its factorization.

20120220310011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962346.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20120220310011 its reverse (11001302202102), we get a palindrome (31121522512113).

The spelling of 20120220310011 in words is "twenty trillion, one hundred twenty billion, two hundred twenty million, three hundred ten thousand, eleven".