20113233023232 has 144 divisors (see below), whose sum is σ = 59512923964480. Its totient is φ = 6700515913728.

The previous prime is 20113233023197. The next prime is 20113233023251. The reversal of 20113233023232 is 23232033231102.

20113233023232 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 3 + 2 + 330 + 2 + 323 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-4 number, since 4×20113233023232⁴ (a number of 54 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20113233023196 and 20113233023205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11064948 + ... + 12753804.

Almost surely, 2^{20113233023232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20113233023232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29756461982240).

20113233023232 is an abundant number, since it is smaller than the sum of its proper divisors (39399690941248).

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

20113233023232 is a wasteful number, since it uses less digits than its factorization.

20113233023232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690605 (or 1690585 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 20113233023232 its reverse (23232033231102), we get a palindrome (43345266254334).

The spelling of 20113233023232 in words is "twenty trillion, one hundred thirteen billion, two hundred thirty-three million, twenty-three thousand, two hundred thirty-two".