20120220022002 has 16 divisors (see below), whose sum is σ = 40248670914720. Its totient is φ = 6705368195552.

The previous prime is 20120220021973. The next prime is 20120220022003. The reversal of 20120220022002 is 20022002202102.

It is a super-2 number, since 2×20120220022002² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20120220022003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342921168 + ... + 342979835.

It is an arithmetic number, because the mean of its divisors is an integer number (2515541932170).

Almost surely, 2^{20120220022002} is an apocalyptic number.

20120220022002 is an abundant number, since it is smaller than the sum of its proper divisors (20128450892718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20120220022002 is a wasteful number, since it uses less digits than its factorization.

20120220022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685905897.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20120220022002 its reverse (20022002202102), we get a palindrome (40142222224104).

The spelling of 20120220022002 in words is "twenty trillion, one hundred twenty billion, two hundred twenty million, twenty-two thousand, two".