20122222201002 has 16 divisors (see below), whose sum is σ = 44716049335680. Its totient is φ = 6707407400316.

The previous prime is 20122222200979. The next prime is 20122222201069. The reversal of 20122222201002 is 20010222222102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186316872178 + ... + 186316872285.

It is an arithmetic number, because the mean of its divisors is an integer number (2794753083480).

Almost surely, 2^{20122222201002} is an apocalyptic number.

20122222201002 is an abundant number, since it is smaller than the sum of its proper divisors (24593827134678).

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

20122222201002 is a wasteful number, since it uses less digits than its factorization.

20122222201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372633744474 (or 372633744468 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20122222201002 its reverse (20010222222102), we get a palindrome (40132444423104).

The spelling of 20122222201002 in words is "twenty trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred one thousand, two".