20201020202 has 16 divisors (see below), whose sum is σ = 35000698752. Its totient is φ = 8642147520.

The previous prime is 20201020193. The next prime is 20201020237. The reversal of 20201020202 is 20202010202.

It is a super-2 number, since 2×20201020202² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27006338 + ... + 27007085.

It is an arithmetic number, because the mean of its divisors is an integer number (2187543672).

Almost surely, 2^20201020202 is an apocalyptic number.

20201020202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20201020202 is a deficient number, since it is larger than the sum of its proper divisors (14799678550).

20201020202 is a wasteful number, since it uses less digits than its factorization.

20201020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54013453.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20201020202 its reverse (20202010202), we get a palindrome (40403030404).

The spelling of 20201020202 in words is "twenty billion, two hundred one million, twenty thousand, two hundred two".