20122222002 has 16 divisors (see below), whose sum is σ = 40307235552. Its totient is φ = 6696942080.

The previous prime is 20122221929. The next prime is 20122222013. The reversal of 20122222002 is 20022222102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2612148 + ... + 2619839.

It is an arithmetic number, because the mean of its divisors is an integer number (2519202222).

Almost surely, 2^20122222002 is an apocalyptic number.

20122222002 is an abundant number, since it is smaller than the sum of its proper divisors (20185013550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20122222002 is a wasteful number, since it uses less digits than its factorization.

20122222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5232633.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20122222002 its reverse (20022222102), we get a palindrome (40144444104).

The spelling of 20122222002 in words is "twenty billion, one hundred twenty-two million, two hundred twenty-two thousand, two".