20213233313232 has 40 divisors (see below), whose sum is σ = 52217853405984. Its totient is φ = 6737701339264.

The previous prime is 20213233313209. The next prime is 20213233313341. The reversal of 20213233313232 is 23231333231202.

It is a super-3 number, since 3×20213233313232³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20213233313232.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 6735358 + ... + 9262370.

Almost surely, 2^{20213233313232} is an apocalyptic number.

It is an amenable number.

20213233313232 is an abundant number, since it is smaller than the sum of its proper divisors (32004620092752).

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

20213233313232 is a wasteful number, since it uses less digits than its factorization.

20213233313232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2693667 (or 2693661 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 20213233313232 its reverse (23231333231202), we get a palindrome (43444566544434).

The spelling of 20213233313232 in words is "twenty trillion, two hundred thirteen billion, two hundred thirty-three million, three hundred thirteen thousand, two hundred thirty-two".