20211351430332 has 24 divisors (see below), whose sum is σ = 47176303768272. Its totient is φ = 6734762320000.

The previous prime is 20211351430331. The next prime is 20211351430337. The reversal of 20211351430332 is 23303415311202.

It is a self number, because there is not a number n which added to its sum of digits gives 20211351430332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211351430331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294317169 + ... + 294385832.

It is an arithmetic number, because the mean of its divisors is an integer number (1965679323678).

Almost surely, 2^{20211351430332} is an apocalyptic number.

It is an amenable number.

20211351430332 is an abundant number, since it is smaller than the sum of its proper divisors (26964952337940).

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

20211351430332 is a wasteful number, since it uses less digits than its factorization.

20211351430332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588705869 (or 588705867 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 20211351430332 its reverse (23303415311202), we get a palindrome (43514766741534).

The spelling of 20211351430332 in words is "twenty trillion, two hundred eleven billion, three hundred fifty-one million, four hundred thirty thousand, three hundred thirty-two".