20303331234 has 32 divisors (see below), whose sum is σ = 44157332736. Its totient is φ = 6197518080.

The previous prime is 20303331233. The next prime is 20303331253. The reversal of 20303331234 is 43213330302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20303331233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2686122 + ... + 2693669.

It is an arithmetic number, because the mean of its divisors is an integer number (1379916648).

Almost surely, 2^20303331234 is an apocalyptic number.

20303331234 is an abundant number, since it is smaller than the sum of its proper divisors (23854001502).

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

20303331234 is a wasteful number, since it uses less digits than its factorization.

20303331234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5379850.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 20303331234 its reverse (43213330302), we get a palindrome (63516661536).

The spelling of 20303331234 in words is "twenty billion, three hundred three million, three hundred thirty-one thousand, two hundred thirty-four".