22022111022020 has 48 divisors (see below), whose sum is σ = 47232109048320. Its totient is φ = 8621110184064.

The previous prime is 22022111021957. The next prime is 22022111022031. The reversal of 22022111022020 is 2022011122022.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22022111022020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26471561 + ... + 27290799.

It is an arithmetic number, because the mean of its divisors is an integer number (984002271840).

Almost surely, 2^{22022111022020} is an apocalyptic number.

22022111022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022111022020 is an abundant number, since it is smaller than the sum of its proper divisors (25209998026300).

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

22022111022020 is a wasteful number, since it uses less digits than its factorization.

22022111022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847892 (or 847890 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22022111022020 its reverse (2022011122022), we get a palindrome (24044122144042).

The spelling of 22022111022020 in words is "twenty-two trillion, twenty-two billion, one hundred eleven million, twenty-two thousand, twenty".