20221002212002 has 8 divisors (see below), whose sum is σ = 30331549388700. Its totient is φ = 10110485749104.

The previous prime is 20221002211951. The next prime is 20221002212003. The reversal of 20221002212002 is 20021220012202.

It can be written as a sum of positive squares in 2 ways, for example, as 17533405918681 + 2687596293321 = 4187291^2 + 1639389^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20221002212003) 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, 5955177 + ... + 8712412.

Almost surely, 2^{20221002212002} is an apocalyptic number.

20221002212002 is a deficient number, since it is larger than the sum of its proper divisors (10110547176698).

20221002212002 is a wasteful number, since it uses less digits than its factorization.

20221002212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15356900.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20221002212002 its reverse (20021220012202), we get a palindrome (40242222224204).

The spelling of 20221002212002 in words is "twenty trillion, two hundred twenty-one billion, two million, two hundred twelve thousand, two".