20331303234 has 32 divisors (see below), whose sum is σ = 45558110016. Its totient is φ = 5994486720.

The previous prime is 20331303079. The next prime is 20331303281. The reversal of 20331303234 is 43230313302.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4160397 + ... + 4165280.

It is an arithmetic number, because the mean of its divisors is an integer number (1423690938).

Almost surely, 2^20331303234 is an apocalyptic number.

20331303234 is an abundant number, since it is smaller than the sum of its proper divisors (25226806782).

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

20331303234 is a wasteful number, since it uses less digits than its factorization.

20331303234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8325730.

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

Adding to 20331303234 its reverse (43230313302), we get a palindrome (63561616536).

The spelling of 20331303234 in words is "twenty billion, three hundred thirty-one million, three hundred three thousand, two hundred thirty-four".