20022111022228 has 24 divisors (see below), whose sum is σ = 40052959857792. Its totient is φ = 8579032335264.

The previous prime is 20022111022093. The next prime is 20022111022229. The reversal of 20022111022228 is 82222011122002.

It is a super-2 number, since 2×20022111022228² (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 (20022111022229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77885575 + ... + 78142222.

It is an arithmetic number, because the mean of its divisors is an integer number (1668873327408).

Almost surely, 2^{20022111022228} is an apocalyptic number.

20022111022228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20022111022228 is an abundant number, since it is smaller than the sum of its proper divisors (20030848835564).

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

20022111022228 is a wasteful number, since it uses less digits than its factorization.

20022111022228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156032391 (or 156032389 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The spelling of 20022111022228 in words is "twenty trillion, twenty-two billion, one hundred eleven million, twenty-two thousand, two hundred twenty-eight".