20969096902 has 32 divisors (see below), whose sum is σ = 34162992864. Its totient is φ = 9595372800.

The previous prime is 20969096899. The next prime is 20969096909.

It is a happy number.

20969096902 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 20969096902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20969096909) by changing a digit.

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, 5042208 + ... + 5046364.

It is an arithmetic number, because the mean of its divisors is an integer number (1067593527).

Almost surely, 2^20969096902 is an apocalyptic number.

20969096902 is a deficient number, since it is larger than the sum of its proper divisors (13193895962).

20969096902 is a wasteful number, since it uses less digits than its factorization.

20969096902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5784.

The product of its (nonzero) digits is 944784, while the sum is 52.

The spelling of 20969096902 in words is "twenty billion, nine hundred sixty-nine million, ninety-six thousand, nine hundred two".