20002342242 has 16 divisors (see below), whose sum is σ = 41744018880. Its totient is φ = 6377558352.

The previous prime is 20002342237. The next prime is 20002342249. The reversal of 20002342242 is 24224320002.

It is not an unprimeable number, because it can be changed into a prime (20002342249) 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, 72472117 + ... + 72472392.

It is an arithmetic number, because the mean of its divisors is an integer number (2609001180).

Almost surely, 2^20002342242 is an apocalyptic number.

20002342242 is an abundant number, since it is smaller than the sum of its proper divisors (21741676638).

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

20002342242 is a wasteful number, since it uses less digits than its factorization.

20002342242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144944537.

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 20002342242 its reverse (24224320002), we get a palindrome (44226662244).

The spelling of 20002342242 in words is "twenty billion, two million, three hundred forty-two thousand, two hundred forty-two".