20201202102 has 32 divisors (see below), whose sum is σ = 43202592864. Its totient is φ = 6274880000.

The previous prime is 20201202053. The next prime is 20201202103. The reversal of 20201202102 is 20120210202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201202103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 970149 + ... + 990752.

It is an arithmetic number, because the mean of its divisors is an integer number (1350081027).

Almost surely, 2^20201202102 is an apocalyptic number.

20201202102 is an abundant number, since it is smaller than the sum of its proper divisors (23001390762).

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

20201202102 is a wasteful number, since it uses less digits than its factorization.

20201202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961024.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20201202102 its reverse (20120210202), we get a palindrome (40321412304).

The spelling of 20201202102 in words is "twenty billion, two hundred one million, two hundred two thousand, one hundred two".