20333212144542 has 96 divisors (see below), whose sum is σ = 48476517762816. Its totient is φ = 6108316531200.

The previous prime is 20333212144519. The next prime is 20333212144561. The reversal of 20333212144542 is 24544121233302.

20333212144542 is a `hidden beast` number, since 2 + 0 + 3 + 33 + 21 + 21 + 44 + 542 = 666.

It is a super-2 number, since 2×20333212144542² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20333212144497 and 20333212144506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25098318 + ... + 25895790.

It is an arithmetic number, because the mean of its divisors is an integer number (504963726696).

Almost surely, 2^{20333212144542} is an apocalyptic number.

20333212144542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20333212144542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24238258881408).

20333212144542 is an abundant number, since it is smaller than the sum of its proper divisors (28143305618274).

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

20333212144542 is a wasteful number, since it uses less digits than its factorization.

20333212144542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798606 (or 798603 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 20333212144542 its reverse (24544121233302), we get a palindrome (44877333377844).

The spelling of 20333212144542 in words is "twenty trillion, three hundred thirty-three billion, two hundred twelve million, one hundred forty-four thousand, five hundred forty-two".