20221342244 has 12 divisors (see below), whose sum is σ = 35518902300. Its totient is φ = 10073084448.

The previous prime is 20221342243. The next prime is 20221342301. The reversal of 20221342244 is 44224312202.

It can be written as a sum of positive squares in 2 ways, for example, as 6021760000 + 14199582244 = 77600^2 + 119162^2 .

It is not an unprimeable number, because it can be changed into a prime (20221342243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9395459 + ... + 9397610.

It is an arithmetic number, because the mean of its divisors is an integer number (2959908525).

Almost surely, 2^20221342244 is an apocalyptic number.

It is an amenable number.

20221342244 is a deficient number, since it is larger than the sum of its proper divisors (15297560056).

20221342244 is a wasteful number, since it uses less digits than its factorization.

20221342244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18793342 (or 18793340 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 20221342244 its reverse (44224312202), we get a palindrome (64445654446).

The spelling of 20221342244 in words is "twenty billion, two hundred twenty-one million, three hundred forty-two thousand, two hundred forty-four".