20202033011 has 4 divisors (see below), whose sum is σ = 21390387912. Its totient is φ = 19013678112.

The previous prime is 20202032987. The next prime is 20202033037. The reversal of 20202033011 is 11033020202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20202033011 - 2⁶ = 20202032947 is a prime.

It is a super-2 number, since 2×20202033011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202033091) 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 3 ways as a sum of consecutive naturals, for example, 594177425 + ... + 594177458.

It is an arithmetic number, because the mean of its divisors is an integer number (5347596978).

Almost surely, 2^20202033011 is an apocalyptic number.

20202033011 is a deficient number, since it is larger than the sum of its proper divisors (1188354901).

20202033011 is a wasteful number, since it uses less digits than its factorization.

20202033011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188354900.

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

Adding to 20202033011 its reverse (11033020202), we get a palindrome (31235053213).

The spelling of 20202033011 in words is "twenty billion, two hundred two million, thirty-three thousand, eleven".