10202020133 has 4 divisors (see below), whose sum is σ = 10202232000. Its totient is φ = 10201808268.

The previous prime is 10202020121. The next prime is 10202020163. The reversal of 10202020133 is 33102020201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10202020133 - 2⁶ = 10202020069 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 (10202020163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5066 + ... + 142932.

It is an arithmetic number, because the mean of its divisors is an integer number (2550558000).

Almost surely, 2^10202020133 is an apocalyptic number.

It is an amenable number.

10202020133 is a deficient number, since it is larger than the sum of its proper divisors (211867).

10202020133 is an equidigital number, since it uses as much as digits as its factorization.

10202020133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211866.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 10202020133 its reverse (33102020201), we get a palindrome (43304040334).

It can be divided in two parts, 102020201 and 33, that multiplied together give a palindrome (3366666633).

The spelling of 10202020133 in words is "ten billion, two hundred two million, twenty thousand, one hundred thirty-three".