22420120124 has 24 divisors (see below), whose sum is σ = 39999884400. Its totient is φ = 10992531200.

The previous prime is 22420120117. The next prime is 22420120147. The reversal of 22420120124 is 42102102422.

It is a junction number, because it is equal to n+sod(n) for n = 22420120096 and 22420120105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23819 + ... + 213090.

It is an arithmetic number, because the mean of its divisors is an integer number (1666661850).

Almost surely, 2^22420120124 is an apocalyptic number.

It is an amenable number.

22420120124 is a deficient number, since it is larger than the sum of its proper divisors (17579764276).

22420120124 is a wasteful number, since it uses less digits than its factorization.

22420120124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237373 (or 237371 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22420120124 its reverse (42102102422), we get a palindrome (64522222546).

The spelling of 22420120124 in words is "twenty-two billion, four hundred twenty million, one hundred twenty thousand, one hundred twenty-four".