20034102256 has 40 divisors (see below), whose sum is σ = 44369704800. Its totient is φ = 8584402944.

The previous prime is 20034102247. The next prime is 20034102259. The reversal of 20034102256 is 65220143002.

It is a self number, because there is not a number n which added to its sum of digits gives 20034102256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20034102259) 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 7 ways as a sum of consecutive naturals, for example, 708420 + ... + 736156.

It is an arithmetic number, because the mean of its divisors is an integer number (1109242620).

Almost surely, 2^20034102256 is an apocalyptic number.

It is an amenable number.

20034102256 is an abundant number, since it is smaller than the sum of its proper divisors (24335602544).

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

20034102256 is a wasteful number, since it uses less digits than its factorization.

20034102256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34201 (or 34195 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 20034102256 its reverse (65220143002), we get a palindrome (85254245258).

The spelling of 20034102256 in words is "twenty billion, thirty-four million, one hundred two thousand, two hundred fifty-six".