20230333233440 has 144 divisors (see below), whose sum is σ = 52765518306816. Its totient is φ = 7324075799040.

The previous prime is 20230333233427. The next prime is 20230333233493. The reversal of 20230333233440 is 4433233303202.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 20230333233397 and 20230333233406.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2093057 + ... + 6696383.

It is an arithmetic number, because the mean of its divisors is an integer number (366427210464).

Almost surely, 2^{20230333233440} is an apocalyptic number.

20230333233440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20230333233440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26382759153408).

20230333233440 is an abundant number, since it is smaller than the sum of its proper divisors (32535185073376).

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

20230333233440 is a wasteful number, since it uses less digits than its factorization.

20230333233440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4603591 (or 4603572 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 32.

Adding to 20230333233440 its reverse (4433233303202), we get a palindrome (24663566536642).

The spelling of 20230333233440 in words is "twenty trillion, two hundred thirty billion, three hundred thirty-three million, two hundred thirty-three thousand, four hundred forty".