20022446002 has 16 divisors (see below), whose sum is σ = 32384566872. Its totient is φ = 9229524480.

The previous prime is 20022445991. The next prime is 20022446023. The reversal of 20022446002 is 20064422002.

It can be written as a sum of positive squares in 4 ways, for example, as 12360770041 + 7661675961 = 111179^2 + 87531^2 .

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, 462399 + ... + 503842.

Almost surely, 2^20022446002 is an apocalyptic number.

20022446002 is a deficient number, since it is larger than the sum of its proper divisors (12362120870).

20022446002 is a wasteful number, since it uses less digits than its factorization.

20022446002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967053.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20022446002 its reverse (20064422002), we get a palindrome (40086868004).

The spelling of 20022446002 in words is "twenty billion, twenty-two million, four hundred forty-six thousand, two".