22120590240 has 192 divisors, whose sum is σ = 88482481920. Its totient is φ = 5056128000.

The previous prime is 22120590227. The next prime is 22120590241. The reversal of 22120590240 is 4209502122.

It is a happy number.

22120590240 is a `hidden beast` number, since 22 + 12 + 0 + 590 + 2 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22120590241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 335511 + ... + 395990.

It is an arithmetic number, because the mean of its divisors is an integer number (460846260).

Almost surely, 2^22120590240 is an apocalyptic number.

22120590240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22120590240 is an abundant number, since it is smaller than the sum of its proper divisors (66361891680).

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

22120590240 is a wasteful number, since it uses less digits than its factorization.

22120590240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731532 (or 731518 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The spelling of 22120590240 in words is "twenty-two billion, one hundred twenty million, five hundred ninety thousand, two hundred forty".