20120021223310 has 64 divisors (see below), whose sum is σ = 36782301325824. Its totient is φ = 7922529014400.

The previous prime is 20120021223307. The next prime is 20120021223311. The reversal of 20120021223310 is 1332212002102.

It is a super-2 number, since 2×20120021223310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120021223311) 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, 1331826777 + ... + 1331841883.

It is an arithmetic number, because the mean of its divisors is an integer number (574723458216).

Almost surely, 2^{20120021223310} is an apocalyptic number.

20120021223310 is a deficient number, since it is larger than the sum of its proper divisors (16662280102514).

20120021223310 is a wasteful number, since it uses less digits than its factorization.

20120021223310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17929.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20120021223310 its reverse (1332212002102), we get a palindrome (21452233225412).

The spelling of 20120021223310 in words is "twenty trillion, one hundred twenty billion, twenty-one million, two hundred twenty-three thousand, three hundred ten".