20244406242 has 16 divisors (see below), whose sum is σ = 42870507552. Its totient is φ = 6351186240.

The previous prime is 20244406219. The next prime is 20244406249. The reversal of 20244406242 is 24260444202.

It is a super-2 number, since 2×20244406242² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20244406249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99237184 + ... + 99237387.

It is an arithmetic number, because the mean of its divisors is an integer number (2679406722).

Almost surely, 2^20244406242 is an apocalyptic number.

20244406242 is an abundant number, since it is smaller than the sum of its proper divisors (22626101310).

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

20244406242 is a wasteful number, since it uses less digits than its factorization.

20244406242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198474593.

The product of its (nonzero) digits is 24576, while the sum is 30.

The spelling of 20244406242 in words is "twenty billion, two hundred forty-four million, four hundred six thousand, two hundred forty-two".