42243320020 has 48 divisors (see below), whose sum is σ = 96947782848. Its totient is φ = 15333877760.

The previous prime is 42243320011. The next prime is 42243320051. The reversal of 42243320020 is 2002334224.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 42243319973 and 42243320000.

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, 46669 + ... + 294388.

It is an arithmetic number, because the mean of its divisors is an integer number (2019745476).

Almost surely, 2^42243320020 is an apocalyptic number.

It is an amenable number.

42243320020 is an abundant number, since it is smaller than the sum of its proper divisors (54704462828).

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

42243320020 is a wasteful number, since it uses less digits than its factorization.

42243320020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341640 (or 341638 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 42243320020 its reverse (2002334224), we get a palindrome (44245654244).

It can be divided in two parts, 42243 and 320020, that added together give a palindrome (362263).

The spelling of 42243320020 in words is "forty-two billion, two hundred forty-three million, three hundred twenty thousand, twenty".