20002303442 has 16 divisors (see below), whose sum is σ = 32748603264. Its totient is φ = 9087078000.

The previous prime is 20002303417. The next prime is 20002303459. The reversal of 20002303442 is 24430320002.

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, 201809 + ... + 284132.

It is an arithmetic number, because the mean of its divisors is an integer number (2046787704).

Almost surely, 2^20002303442 is an apocalyptic number.

20002303442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20002303442 is a deficient number, since it is larger than the sum of its proper divisors (12746299822).

20002303442 is a wasteful number, since it uses less digits than its factorization.

20002303442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487825.

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 20002303442 its reverse (24430320002), we get a palindrome (44432623444).

The spelling of 20002303442 in words is "twenty billion, two million, three hundred three thousand, four hundred forty-two".