42143615220 has 144 divisors (see below), whose sum is σ = 138683845440. Its totient is φ = 9533454336.

The previous prime is 42143615197. The next prime is 42143615237. The reversal of 42143615220 is 2251634124.

It is a super-2 number, since 2×42143615220² (a number of 22 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 47 ways as a sum of consecutive naturals, for example, 211291 + ... + 359069.

It is an arithmetic number, because the mean of its divisors is an integer number (963082260).

Almost surely, 2^42143615220 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 42143615220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69341922720).

42143615220 is an abundant number, since it is smaller than the sum of its proper divisors (96540230220).

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

42143615220 is a wasteful number, since it uses less digits than its factorization.

42143615220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147902 (or 147893 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 42143615220 in words is "forty-two billion, one hundred forty-three million, six hundred fifteen thousand, two hundred twenty".