6920090101 has 4 divisors (see below), whose sum is σ = 6920594752. Its totient is φ = 6919585452.

The previous prime is 6920090087. The next prime is 6920090141. The reversal of 6920090101 is 1010900296.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6920090101 - 2¹¹ = 6920088053 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 6920090101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6920090141) 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, 231165 + ... + 259378.

It is an arithmetic number, because the mean of its divisors is an integer number (1730148688).

Almost surely, 2^6920090101 is an apocalyptic number.

It is an amenable number.

6920090101 is a deficient number, since it is larger than the sum of its proper divisors (504651).

6920090101 is a wasteful number, since it uses less digits than its factorization.

6920090101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504650.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 6920090101 is about 83187.0789305647. The cubic root of 6920090101 is about 1905.6241574849.

Adding to 6920090101 its reverse (1010900296), we get a palindrome (7930990397).

The spelling of 6920090101 in words is "six billion, nine hundred twenty million, ninety thousand, one hundred one".