20213204113232 has 40 divisors (see below), whose sum is σ = 42190463949984. Its totient is φ = 9325889403264.

The previous prime is 20213204113229. The next prime is 20213204113241. The reversal of 20213204113232 is 23231140231202.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 16499558 + ... + 17682245.

Almost surely, 2^{20213204113232} is an apocalyptic number.

It is an amenable number.

20213204113232 is an abundant number, since it is smaller than the sum of its proper divisors (21977259836752).

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

20213204113232 is a wasteful number, since it uses less digits than its factorization.

20213204113232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34184667 (or 34184661 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 20213204113232 its reverse (23231140231202), we get a palindrome (43444344344434).

The spelling of 20213204113232 in words is "twenty trillion, two hundred thirteen billion, two hundred four million, one hundred thirteen thousand, two hundred thirty-two".