20202220220022 has 12 divisors (see below), whose sum is σ = 43771477143420. Its totient is φ = 6734073406668.

The previous prime is 20202220219949. The next prime is 20202220220023. The reversal of 20202220220022 is 22002202220202.

20202220220022 is a `hidden beast` number, since 2 + 0 + 202 + 220 + 220 + 0 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1122345567779 = 20202220220022 / (2 + 0 + 2 + 0 + 2 + 2 + 2 + 0 + 2 + 2 + 0 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 20202220219977 and 20202220220004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202220220023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 561172783872 + ... + 561172783907.

It is an arithmetic number, because the mean of its divisors is an integer number (3647623095285).

Almost surely, 2^{20202220220022} is an apocalyptic number.

20202220220022 is an abundant number, since it is smaller than the sum of its proper divisors (23569256923398).

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

20202220220022 is a wasteful number, since it uses less digits than its factorization.

20202220220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122345567787 (or 1122345567784 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 20202220220022 its reverse (22002202220202), we get a palindrome (42204422440224).

The spelling of 20202220220022 in words is "twenty trillion, two hundred two billion, two hundred twenty million, two hundred twenty thousand, twenty-two".