20022222400242 has 16 divisors (see below), whose sum is σ = 40134838586400. Its totient is φ = 6659008502432.

The previous prime is 20022222400217. The next prime is 20022222400273. The reversal of 20022222400242 is 24200422222002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3766404867 + ... + 3766410182.

It is an arithmetic number, because the mean of its divisors is an integer number (2508427411650).

Almost surely, 2^{20022222400242} is an apocalyptic number.

20022222400242 is an abundant number, since it is smaller than the sum of its proper divisors (20112616186158).

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

20022222400242 is a wasteful number, since it uses less digits than its factorization.

20022222400242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7532815497.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 20022222400242 its reverse (24200422222002), we get a palindrome (44222644622244).

The spelling of 20022222400242 in words is "twenty trillion, twenty-two billion, two hundred twenty-two million, four hundred thousand, two hundred forty-two".