10920402901 has 4 divisors (see below), whose sum is σ = 11028525804. Its totient is φ = 10812280000.

The previous prime is 10920402847. The next prime is 10920402919.

It is a happy number.

10920402901 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10676262276 + 244140625 = 103326^2 + 15625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10920402901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10920402901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10920402401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54061300 + ... + 54061501.

It is an arithmetic number, because the mean of its divisors is an integer number (2757131451).

Almost surely, 2^10920402901 is an apocalyptic number.

It is an amenable number.

10920402901 is a deficient number, since it is larger than the sum of its proper divisors (108122903).

10920402901 is a wasteful number, since it uses less digits than its factorization.

10920402901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108122902.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 10920402901 in words is "ten billion, nine hundred twenty million, four hundred two thousand, nine hundred one".