202020663 has 8 divisors (see below), whose sum is σ = 290081008. Its totient is φ = 124320384.

The previous prime is 202020587. The next prime is 202020667. The reversal of 202020663 is 366020202.

202020663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 202020663 - 2¹⁰ = 202019639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202020667) 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, 2589970 + ... + 2590047.

It is an arithmetic number, because the mean of its divisors is an integer number (36260126).

Almost surely, 2^202020663 is an apocalyptic number.

202020663 is a deficient number, since it is larger than the sum of its proper divisors (88060345).

202020663 is a wasteful number, since it uses less digits than its factorization.

202020663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5180033.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 202020663 is about 14213.3973067666. The cubic root of 202020663 is about 586.7664366663.

Adding to 202020663 its reverse (366020202), we get a palindrome (568040865).

The spelling of 202020663 in words is "two hundred two million, twenty thousand, six hundred sixty-three".