10420200811 has 4 divisors (see below), whose sum is σ = 10449226800. Its totient is φ = 10391174824.

The previous prime is 10420200809. The next prime is 10420200863. The reversal of 10420200811 is 11800202401.

It is a happy number.

10420200811 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10420200811 - 2¹ = 10420200809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10420201811) 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 3 ways as a sum of consecutive naturals, for example, 14512456 + ... + 14513173.

It is an arithmetic number, because the mean of its divisors is an integer number (2612306700).

Almost surely, 2^10420200811 is an apocalyptic number.

10420200811 is a deficient number, since it is larger than the sum of its proper divisors (29025989).

10420200811 is an equidigital number, since it uses as much as digits as its factorization.

10420200811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29025988.

The product of its (nonzero) digits is 128, while the sum is 19.

The spelling of 10420200811 in words is "ten billion, four hundred twenty million, two hundred thousand, eight hundred eleven".