22020022012002 has 64 divisors (see below), whose sum is σ = 51304959048960. Its totient is φ = 6169860163584.

The previous prime is 22020022011991. The next prime is 22020022012013. The reversal of 22020022012002 is 20021022002022.

It is an interprime number because it is at equal distance from previous prime (22020022011991) and next prime (22020022012013).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2495274 + ... + 7089882.

It is an arithmetic number, because the mean of its divisors is an integer number (801639985140).

Almost surely, 2^{22020022012002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22020022012002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25652479524480).

22020022012002 is an abundant number, since it is smaller than the sum of its proper divisors (29284937036958).

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

22020022012002 is a wasteful number, since it uses less digits than its factorization.

22020022012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4596827.

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

Adding to 22020022012002 its reverse (20021022002022), we get a palindrome (42041044014024).

The spelling of 22020022012002 in words is "twenty-two trillion, twenty billion, twenty-two million, twelve thousand, two".