20010221032 has 32 divisors (see below), whose sum is σ = 39525120000. Its totient is φ = 9471022848.

The previous prime is 20010220987. The next prime is 20010221039. The reversal of 20010221032 is 23012201002.

It is not an unprimeable number, because it can be changed into a prime (20010221039) 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 7 ways as a sum of consecutive naturals, for example, 142944 + ... + 245872.

It is an arithmetic number, because the mean of its divisors is an integer number (1235160000).

Almost surely, 2^20010221032 is an apocalyptic number.

It is an amenable number.

20010221032 is a deficient number, since it is larger than the sum of its proper divisors (19514898968).

20010221032 is a wasteful number, since it uses less digits than its factorization.

20010221032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104233 (or 104229 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20010221032 its reverse (23012201002), we get a palindrome (43022422034).

The spelling of 20010221032 in words is "twenty billion, ten million, two hundred twenty-one thousand, thirty-two".