20211200203232 has 12 divisors (see below), whose sum is σ = 39790800400176. Its totient is φ = 10105600101600.

The previous prime is 20211200203219. The next prime is 20211200203267. The reversal of 20211200203232 is 23230200211202.

It is a happy number.

It is a super-2 number, since 2×20211200203232² (a number of 27 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 315800003144 + ... + 315800003207.

It is an arithmetic number, because the mean of its divisors is an integer number (3315900033348).

Almost surely, 2^{20211200203232} is an apocalyptic number.

It is an amenable number.

20211200203232 is a deficient number, since it is larger than the sum of its proper divisors (19579600196944).

20211200203232 is an equidigital number, since it uses as much as digits as its factorization.

20211200203232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631600006361 (or 631600006353 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20211200203232 its reverse (23230200211202), we get a palindrome (43441400414434).

The spelling of 20211200203232 in words is "twenty trillion, two hundred eleven billion, two hundred million, two hundred three thousand, two hundred thirty-two".