20122212002 has 8 divisors (see below), whose sum is σ = 30350077212. Its totient is φ = 10005519600.

The previous prime is 20122212001. The next prime is 20122212007. The reversal of 20122212002 is 20021222102.

It can be written as a sum of positive squares in 2 ways, for example, as 13837052161 + 6285159841 = 117631^2 + 79279^2 .

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 (20122212001) 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, 27792749 + ... + 27793472.

Almost surely, 2^20122212002 is an apocalyptic number.

20122212002 is a deficient number, since it is larger than the sum of its proper divisors (10227865210).

20122212002 is a wasteful number, since it uses less digits than its factorization.

20122212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55586404.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20122212002 its reverse (20021222102), we get a palindrome (40143434104).

The spelling of 20122212002 in words is "twenty billion, one hundred twenty-two million, two hundred twelve thousand, two".