22022201020020 has 48 divisors (see below), whose sum is σ = 64907539851840. Its totient is φ = 5563503415296.

The previous prime is 22022201020019. The next prime is 22022201020037. The reversal of 22022201020020 is 2002010222022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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, 9658858957 + ... + 9658861236.

It is an arithmetic number, because the mean of its divisors is an integer number (1352240413580).

Almost surely, 2^{22022201020020} is an apocalyptic number.

22022201020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022201020020 is an abundant number, since it is smaller than the sum of its proper divisors (42885338831820).

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

22022201020020 is a wasteful number, since it uses less digits than its factorization.

22022201020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19317720224 (or 19317720222 counting only the distinct ones).

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

Adding to 22022201020020 its reverse (2002010222022), we get a palindrome (24024211242042).

The spelling of 22022201020020 in words is "twenty-two trillion, twenty-two billion, two hundred one million, twenty thousand, twenty".