43411212020 has 48 divisors (see below), whose sum is σ = 99505518336. Its totient is φ = 15777264000.

The previous prime is 43411212017. The next prime is 43411212041. The reversal of 43411212020 is 2021211434.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 43411211983 and 43411212001.

It is a congruent number.

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, 356405 + ... + 462435.

It is an arithmetic number, because the mean of its divisors is an integer number (2073031632).

Almost surely, 2^43411212020 is an apocalyptic number.

It is an amenable number.

43411212020 is an abundant number, since it is smaller than the sum of its proper divisors (56094306316).

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

43411212020 is a wasteful number, since it uses less digits than its factorization.

43411212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107912 (or 107910 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 43411212020 its reverse (2021211434), we get a palindrome (45432423454).

The spelling of 43411212020 in words is "forty-three billion, four hundred eleven million, two hundred twelve thousand, twenty".