20331212033124 has 18 divisors (see below), whose sum is σ = 51392785972710. Its totient is φ = 6777070677696.

The previous prime is 20331212033101. The next prime is 20331212033129. The reversal of 20331212033124 is 42133021213302.

20331212033124 is a `hidden beast` number, since 2 + 0 + 3 + 312 + 12 + 0 + 331 + 2 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14013941990400 + 6317270042724 = 3743520^2 + 2513418^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×20331212033124² (a number of 27 digits) contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 282377944869 + ... + 282377944940.

Almost surely, 2^{20331212033124} is an apocalyptic number.

It is an amenable number.

20331212033124 is an abundant number, since it is smaller than the sum of its proper divisors (31061573939586).

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

20331212033124 is a wasteful number, since it uses less digits than its factorization.

20331212033124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564755889819 (or 564755889814 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 20331212033124 its reverse (42133021213302), we get a palindrome (62464233246426).

The spelling of 20331212033124 in words is "twenty trillion, three hundred thirty-one billion, two hundred twelve million, thirty-three thousand, one hundred twenty-four".