33143014023420 has 384 divisors, whose sum is σ = 107022469349376. Its totient is φ = 7507053379584.

The previous prime is 33143014023403. The next prime is 33143014023443. The reversal of 33143014023420 is 2432041034133.

It is a happy number.

It is a super-2 number, since 2×33143014023420² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 23128411024 + ... + 23128412456.

It is an arithmetic number, because the mean of its divisors is an integer number (278704347264).

Almost surely, 2^{33143014023420} is an apocalyptic number.

33143014023420 is a gapful number since it is divisible by the number (30) 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 33143014023420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53511234674688).

33143014023420 is an abundant number, since it is smaller than the sum of its proper divisors (73879455325956).

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

33143014023420 is a wasteful number, since it uses less digits than its factorization.

33143014023420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669 (or 2667 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 33143014023420 its reverse (2432041034133), we get a palindrome (35575055057553).

The spelling of 33143014023420 in words is "thirty-three trillion, one hundred forty-three billion, fourteen million, twenty-three thousand, four hundred twenty".