43138980220 has 48 divisors (see below), whose sum is σ = 103547021760. Its totient is φ = 14788583424.

The previous prime is 43138980211. The next prime is 43138980233. The reversal of 43138980220 is 2208983134.

It is a super-2 number, since 2×43138980220² (a number of 22 digits) contains 22 as substring.

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, 1436802 + ... + 1466518.

It is an arithmetic number, because the mean of its divisors is an integer number (2157229620).

Almost surely, 2^43138980220 is an apocalyptic number.

It is an amenable number.

43138980220 is an abundant number, since it is smaller than the sum of its proper divisors (60408041540).

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

43138980220 is a wasteful number, since it uses less digits than its factorization.

43138980220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40102 (or 40100 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 43138980220 in words is "forty-three billion, one hundred thirty-eight million, nine hundred eighty thousand, two hundred twenty".