20432203553325 has 12 divisors (see below), whose sum is σ = 33781243208288. Its totient is φ = 10897175228400.

The previous prime is 20432203553317. The next prime is 20432203553347. The reversal of 20432203553325 is 52335530223402.

It is not a de Polignac number, because 20432203553325 - 2³ = 20432203553317 is a prime.

It is a super-2 number, since 2×20432203553325² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136214690281 + ... + 136214690430.

Almost surely, 2^{20432203553325} is an apocalyptic number.

20432203553325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20432203553325 is a deficient number, since it is larger than the sum of its proper divisors (13349039654963).

20432203553325 is a wasteful number, since it uses less digits than its factorization.

20432203553325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272429380724 (or 272429380719 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 39.

Adding to 20432203553325 its reverse (52335530223402), we get a palindrome (72767733776727).

The spelling of 20432203553325 in words is "twenty trillion, four hundred thirty-two billion, two hundred three million, five hundred fifty-three thousand, three hundred twenty-five".