20402224442002 has 16 divisors (see below), whose sum is σ = 32957514217152. Its totient is φ = 9416389928400.

The previous prime is 20402224441997. The next prime is 20402224442063. The reversal of 20402224442002 is 20024442220402.

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, 20494513 + ... + 21466939.

It is an arithmetic number, because the mean of its divisors is an integer number (2059844638572).

Almost surely, 2^{20402224442002} is an apocalyptic number.

20402224442002 is a deficient number, since it is larger than the sum of its proper divisors (12555289775150).

20402224442002 is a wasteful number, since it uses less digits than its factorization.

20402224442002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779393.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 20402224442002 its reverse (20024442220402), we get a palindrome (40426666662404).

The spelling of 20402224442002 in words is "twenty trillion, four hundred two billion, two hundred twenty-four million, four hundred forty-two thousand, two".