20011233294 has 24 divisors (see below), whose sum is σ = 46692878232. Its totient is φ = 6157302480.

The previous prime is 20011233293. The next prime is 20011233313. The reversal of 20011233294 is 49233211002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011233293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42758812 + ... + 42759279.

It is an arithmetic number, because the mean of its divisors is an integer number (1945536593).

Almost surely, 2^20011233294 is an apocalyptic number.

20011233294 is an abundant number, since it is smaller than the sum of its proper divisors (26681644938).

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

20011233294 is a wasteful number, since it uses less digits than its factorization.

20011233294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85518112 (or 85518109 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 20011233294 its reverse (49233211002), we get a palindrome (69244444296).

The spelling of 20011233294 in words is "twenty billion, eleven million, two hundred thirty-three thousand, two hundred ninety-four".