20202210036 has 36 divisors (see below), whose sum is σ = 51640488900. Its totient is φ = 6658405248.

The previous prime is 20202209927. The next prime is 20202210037. The reversal of 20202210036 is 63001220202.

It can be written as a sum of positive squares in 2 ways, for example, as 8794688400 + 11407521636 = 93780^2 + 106806^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202210037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3149451 + ... + 3155858.

It is an arithmetic number, because the mean of its divisors is an integer number (1434458025).

Almost surely, 2^20202210036 is an apocalyptic number.

It is an amenable number.

20202210036 is an abundant number, since it is smaller than the sum of its proper divisors (31438278864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20202210036 is a wasteful number, since it uses less digits than its factorization.

20202210036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6305408 (or 6305403 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20202210036 its reverse (63001220202), we get a palindrome (83203430238).

The spelling of 20202210036 in words is "twenty billion, two hundred two million, two hundred ten thousand, thirty-six".