43254100020 has 96 divisors (see below), whose sum is σ = 127527321600. Its totient is φ = 10923790464.

The previous prime is 43254099971. The next prime is 43254100063. The reversal of 43254100020 is 2000145234.

It is a self number, because there is not a number n which added to its sum of digits gives 43254100020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6434221 + ... + 6440939.

It is an arithmetic number, because the mean of its divisors is an integer number (1328409600).

Almost surely, 2^43254100020 is an apocalyptic number.

It is an amenable number.

43254100020 is an abundant number, since it is smaller than the sum of its proper divisors (84273221580).

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

43254100020 is a wasteful number, since it uses less digits than its factorization.

43254100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12397 (or 12395 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 43254100020 its reverse (2000145234), we get a palindrome (45254245254).

The spelling of 43254100020 in words is "forty-three billion, two hundred fifty-four million, one hundred thousand, twenty".