2022120021940 has 24 divisors (see below), whose sum is σ = 4258022775552. Its totient is φ = 806644060320.

The previous prime is 2022120021793. The next prime is 2022120021941. The reversal of 2022120021940 is 491200212202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022120021941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137739256 + ... + 137753935.

It is an arithmetic number, because the mean of its divisors is an integer number (177417615648).

Almost surely, 2^{2022120021940} is an apocalyptic number.

2022120021940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2022120021940 is an abundant number, since it is smaller than the sum of its proper divisors (2235902753612).

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

2022120021940 is a wasteful number, since it uses less digits than its factorization.

2022120021940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275493567 (or 275493565 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 2022120021940 in words is "two trillion, twenty-two billion, one hundred twenty million, twenty-one thousand, nine hundred forty".