20222246242 has 24 divisors (see below), whose sum is σ = 33390726768. Its totient is φ = 9178396920.

The previous prime is 20222246237. The next prime is 20222246267. The reversal of 20222246242 is 24264222202.

It is a self number, because there is not a number n which added to its sum of digits gives 20222246242.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104113 + ... + 226459.

It is an arithmetic number, because the mean of its divisors is an integer number (1391280282).

Almost surely, 2^20222246242 is an apocalyptic number.

20222246242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20222246242 is a deficient number, since it is larger than the sum of its proper divisors (13168480526).

20222246242 is a wasteful number, since it uses less digits than its factorization.

20222246242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123054 (or 123043 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 20222246242 its reverse (24264222202), we get a palindrome (44486468444).

The spelling of 20222246242 in words is "twenty billion, two hundred twenty-two million, two hundred forty-six thousand, two hundred forty-two".