220206240042 has 16 divisors (see below), whose sum is σ = 441458595552. Its totient is φ = 73227727440.

The previous prime is 220206240017. The next prime is 220206240043. The reversal of 220206240042 is 240042602022.

It is a junction number, because it is equal to n+sod(n) for n = 220206239994 and 220206240021.

It is not an unprimeable number, because it can be changed into a prime (220206240043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43585408 + ... + 43590459.

It is an arithmetic number, because the mean of its divisors is an integer number (27591162222).

Almost surely, 2^220206240042 is an apocalyptic number.

220206240042 is an abundant number, since it is smaller than the sum of its proper divisors (221252355510).

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

220206240042 is a wasteful number, since it uses less digits than its factorization.

220206240042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87176293.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 220206240042 its reverse (240042602022), we get a palindrome (460248842064).

The spelling of 220206240042 in words is "two hundred twenty billion, two hundred six million, two hundred forty thousand, forty-two".