20213330032 has 40 divisors (see below), whose sum is σ = 44873244000. Its totient is φ = 8640567552.

The previous prime is 20213329979. The next prime is 20213330047. The reversal of 20213330032 is 23003331202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20213329991 and 20213330009.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 188407 + ... + 275542.

It is an arithmetic number, because the mean of its divisors is an integer number (1121831100).

Almost surely, 2^20213330032 is an apocalyptic number.

It is an amenable number.

20213330032 is an abundant number, since it is smaller than the sum of its proper divisors (24659913968).

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

20213330032 is a wasteful number, since it uses less digits than its factorization.

20213330032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464353 (or 464347 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20213330032 its reverse (23003331202), we get a palindrome (43216661234).

The spelling of 20213330032 in words is "twenty billion, two hundred thirteen million, three hundred thirty thousand, thirty-two".