20220420242 has 16 divisors (see below), whose sum is σ = 33090876000. Its totient is φ = 9190290240.

The previous prime is 20220420223. The next prime is 20220420257. The reversal of 20220420242 is 24202402202.

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, 266609 + ... + 333947.

It is an arithmetic number, because the mean of its divisors is an integer number (2068179750).

Almost surely, 2^20220420242 is an apocalyptic number.

20220420242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20220420242 is a deficient number, since it is larger than the sum of its proper divisors (12870455758).

20220420242 is a wasteful number, since it uses less digits than its factorization.

20220420242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81001.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 20220420242 its reverse (24202402202), we get a palindrome (44422822444).

The spelling of 20220420242 in words is "twenty billion, two hundred twenty million, four hundred twenty thousand, two hundred forty-two".