20224220442 has 32 divisors (see below), whose sum is σ = 43228043712. Its totient is φ = 6285552384.

The previous prime is 20224220437. The next prime is 20224220453. The reversal of 20224220442 is 24402242202.

It is a super-2 number, since 2×20224220442² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 915613 + ... + 937440.

It is an arithmetic number, because the mean of its divisors is an integer number (1350876366).

Almost surely, 2^20224220442 is an apocalyptic number.

20224220442 is an abundant number, since it is smaller than the sum of its proper divisors (23003823270).

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

20224220442 is a wasteful number, since it uses less digits than its factorization.

20224220442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853182.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 20224220442 its reverse (24402242202), we get a palindrome (44626462644).

The spelling of 20224220442 in words is "twenty billion, two hundred twenty-four million, two hundred twenty thousand, four hundred forty-two".