20400311096 has 32 divisors (see below), whose sum is σ = 43924118400. Its totient is φ = 8784822240.

The previous prime is 20400311093. The next prime is 20400311111. The reversal of 20400311096 is 69011300402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20400311093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6098900 + ... + 6102243.

It is an arithmetic number, because the mean of its divisors is an integer number (1372628700).

Almost surely, 2^20400311096 is an apocalyptic number.

It is an amenable number.

20400311096 is an abundant number, since it is smaller than the sum of its proper divisors (23523807304).

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

20400311096 is a wasteful number, since it uses less digits than its factorization.

20400311096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12201179 (or 12201175 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 20400311096 its reverse (69011300402), we get a palindrome (89411611498).

The spelling of 20400311096 in words is "twenty billion, four hundred million, three hundred eleven thousand, ninety-six".