20331212033125 has 20 divisors (see below), whose sum is σ = 29035294356640. Its totient is φ = 13941402534000.

The previous prime is 20331212033101. The next prime is 20331212033129. The reversal of 20331212033125 is 52133021213302.

It is not a de Polignac number, because 20331212033125 - 2¹³ = 20331212024933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20331212033093 and 20331212033102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331212033129) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2323562715 + ... + 2323571464.

It is an arithmetic number, because the mean of its divisors is an integer number (1451764717832).

Almost surely, 2^{20331212033125} is an apocalyptic number.

20331212033125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20331212033125 is a deficient number, since it is larger than the sum of its proper divisors (8704082323515).

20331212033125 is an frugal number, since it uses more digits than its factorization.

20331212033125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4647134206 (or 4647134191 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 20331212033125 its reverse (52133021213302), we get a palindrome (72464233246427).

The spelling of 20331212033125 in words is "twenty trillion, three hundred thirty-one billion, two hundred twelve million, thirty-three thousand, one hundred twenty-five".