20352125211431 has 12 divisors (see below), whose sum is σ = 22240284505560. Its totient is φ = 18614223182880.

The previous prime is 20352125211421. The next prime is 20352125211437. The reversal of 20352125211431 is 13411252125302.

It is not a de Polignac number, because 20352125211431 - 2³⁰ = 20351051469607 is a prime.

It is a super-3 number, since 3×20352125211431³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20352125211437) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 552397985 + ... + 552434826.

It is an arithmetic number, because the mean of its divisors is an integer number (1853357042130).

Almost surely, 2^{20352125211431} is an apocalyptic number.

20352125211431 is a deficient number, since it is larger than the sum of its proper divisors (1888159294129).

20352125211431 is a wasteful number, since it uses less digits than its factorization.

20352125211431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104832946 (or 1104832933 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 20352125211431 its reverse (13411252125302), we get a palindrome (33763377336733).

The spelling of 20352125211431 in words is "twenty trillion, three hundred fifty-two billion, one hundred twenty-five million, two hundred eleven thousand, four hundred thirty-one".