42201520234 has 8 divisors (see below), whose sum is σ = 63929035908. Its totient is φ = 20891841600.

The previous prime is 42201520219. The next prime is 42201520237. The reversal of 42201520234 is 43202510224.

It can be written as a sum of positive squares in 2 ways, for example, as 33490098009 + 8711422225 = 183003^2 + 93335^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×42201520234² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42201520199 and 42201520208.

It is not an unprimeable number, because it can be changed into a prime (42201520237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104459007 + ... + 104459410.

Almost surely, 2^42201520234 is an apocalyptic number.

42201520234 is a deficient number, since it is larger than the sum of its proper divisors (21727515674).

42201520234 is a wasteful number, since it uses less digits than its factorization.

42201520234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208918520.

The product of its (nonzero) digits is 3840, while the sum is 25.

The spelling of 42201520234 in words is "forty-two billion, two hundred one million, five hundred twenty thousand, two hundred thirty-four".