20021233130 has 32 divisors (see below), whose sum is σ = 37212549120. Its totient is φ = 7747695360.

The previous prime is 20021233073. The next prime is 20021233151. The reversal of 20021233130 is 3133212002.

It is a junction number, because it is equal to n+sod(n) for n = 20021233099 and 20021233108.

It is an unprimeable number.

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, 1197287 + ... + 1213893.

It is an arithmetic number, because the mean of its divisors is an integer number (1162892160).

Almost surely, 2^20021233130 is an apocalyptic number.

20021233130 is a deficient number, since it is larger than the sum of its proper divisors (17191315990).

20021233130 is a wasteful number, since it uses less digits than its factorization.

20021233130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20534.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20021233130 its reverse (3133212002), we get a palindrome (23154445132).

The spelling of 20021233130 in words is "twenty billion, twenty-one million, two hundred thirty-three thousand, one hundred thirty".