20224442418 has 32 divisors (see below), whose sum is σ = 40670622720. Its totient is φ = 6704572560.

The previous prime is 20224442369. The next prime is 20224442419. The reversal of 20224442418 is 81424442202.

It is a super-2 number, since 2×20224442418² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20224442419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1968571 + ... + 1978817.

It is an arithmetic number, because the mean of its divisors is an integer number (1270956960).

Almost surely, 2^20224442418 is an apocalyptic number.

20224442418 is an abundant number, since it is smaller than the sum of its proper divisors (20446180302).

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

20224442418 is a wasteful number, since it uses less digits than its factorization.

20224442418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12022.

The product of its (nonzero) digits is 32768, while the sum is 33.

The spelling of 20224442418 in words is "twenty billion, two hundred twenty-four million, four hundred forty-two thousand, four hundred eighteen".