20202203253 has 8 divisors (see below), whose sum is σ = 26945065888. Its totient is φ = 13463738064.

The previous prime is 20202203239. The next prime is 20202203269. The reversal of 20202203253 is 35230220202.

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

It is not a de Polignac number, because 20202203253 - 2¹⁴ = 20202186869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202203653) 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, 1088626 + ... + 1107027.

It is an arithmetic number, because the mean of its divisors is an integer number (3368133236).

Almost surely, 2^20202203253 is an apocalyptic number.

It is an amenable number.

20202203253 is a deficient number, since it is larger than the sum of its proper divisors (6742862635).

20202203253 is a wasteful number, since it uses less digits than its factorization.

20202203253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198723.

The product of its (nonzero) digits is 1440, while the sum is 21.

Adding to 20202203253 its reverse (35230220202), we get a palindrome (55432423455).

The spelling of 20202203253 in words is "twenty billion, two hundred two million, two hundred three thousand, two hundred fifty-three".