20202102201 has 16 divisors (see below), whose sum is σ = 28578737088. Its totient is φ = 12649996800.

The previous prime is 20202102199. The next prime is 20202102247. The reversal of 20202102201 is 10220120202.

It is not a de Polignac number, because 20202102201 - 2¹ = 20202102199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20202102901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378340 + ... + 428421.

It is an arithmetic number, because the mean of its divisors is an integer number (1786171068).

Almost surely, 2^20202102201 is an apocalyptic number.

It is an amenable number.

20202102201 is a deficient number, since it is larger than the sum of its proper divisors (8376634887).

20202102201 is a wasteful number, since it uses less digits than its factorization.

20202102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807272.

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

Adding to 20202102201 its reverse (10220120202), we get a palindrome (30422222403).

It can be divided in two parts, 20202 and 102201, that multiplied together give a palindrome (2064664602).

The spelling of 20202102201 in words is "twenty billion, two hundred two million, one hundred two thousand, two hundred one".