43034344100020 has 384 divisors, whose sum is σ = 115335538053120. Its totient is φ = 13128305541120.

The previous prime is 43034344100003. The next prime is 43034344100053. The reversal of 43034344100020 is 2000144343034.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 1116508869 + ... + 1116547411.

It is an arithmetic number, because the mean of its divisors is an integer number (300352963680).

Almost surely, 2^{43034344100020} 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 43034344100020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57667769026560).

43034344100020 is an abundant number, since it is smaller than the sum of its proper divisors (72301193953100).

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

43034344100020 is a wasteful number, since it uses less digits than its factorization.

43034344100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38835 (or 38833 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 43034344100020 its reverse (2000144343034), we get a palindrome (45034488443054).

The spelling of 43034344100020 in words is "forty-three trillion, thirty-four billion, three hundred forty-four million, one hundred thousand, twenty".