20202203806 has 16 divisors (see below), whose sum is σ = 31163194800. Its totient is φ = 9818319808.

The previous prime is 20202203797. The next prime is 20202203807. The reversal of 20202203806 is 60830220202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202203807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 951325 + ... + 972328.

It is an arithmetic number, because the mean of its divisors is an integer number (1947699675).

Almost surely, 2^20202203806 is an apocalyptic number.

20202203806 is a deficient number, since it is larger than the sum of its proper divisors (10960990994).

20202203806 is a wasteful number, since it uses less digits than its factorization.

20202203806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923803.

The product of its (nonzero) digits is 2304, while the sum is 25.

The spelling of 20202203806 in words is "twenty billion, two hundred two million, two hundred three thousand, eight hundred six".