20205350211432 has 64 divisors (see below), whose sum is σ = 50583176343360. Its totient is φ = 6725812659200.

The previous prime is 20205350211407. The next prime is 20205350211437. The reversal of 20205350211432 is 23411205350202.

It is a self number, because there is not a number n which added to its sum of digits gives 20205350211432.

It is not an unprimeable number, because it can be changed into a prime (20205350211437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125098807 + ... + 125260217.

It is an arithmetic number, because the mean of its divisors is an integer number (790362130365).

Almost surely, 2^{20205350211432} is an apocalyptic number.

It is an amenable number.

20205350211432 is an abundant number, since it is smaller than the sum of its proper divisors (30377826131928).

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

20205350211432 is a wasteful number, since it uses less digits than its factorization.

20205350211432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168594 (or 168590 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 20205350211432 its reverse (23411205350202), we get a palindrome (43616555561634).

The spelling of 20205350211432 in words is "twenty trillion, two hundred five billion, three hundred fifty million, two hundred eleven thousand, four hundred thirty-two".