20033010636 has 48 divisors (see below), whose sum is σ = 46872612864. Its totient is φ = 6659283456.

The previous prime is 20033010631. The next prime is 20033010661. The reversal of 20033010636 is 63601033002.

It is not an unprimeable number, because it can be changed into a prime (20033010631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12654301 + ... + 12655883.

It is an arithmetic number, because the mean of its divisors is an integer number (976512768).

Almost surely, 2^20033010636 is an apocalyptic number.

It is an amenable number.

20033010636 is an abundant number, since it is smaller than the sum of its proper divisors (26839602228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20033010636 is a wasteful number, since it uses less digits than its factorization.

20033010636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3830 (or 3828 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 20033010636 its reverse (63601033002), we get a palindrome (83634043638).

The spelling of 20033010636 in words is "twenty billion, thirty-three million, ten thousand, six hundred thirty-six".