42201352520 has 32 divisors (see below), whose sum is σ = 95007739320. Its totient is φ = 16870817280.

The previous prime is 42201352463. The next prime is 42201352541. The reversal of 42201352520 is 2525310224.

It can be written as a sum of positive squares in 4 ways, for example, as 30097392196 + 12103960324 = 173486^2 + 110018^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42201352520.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233357 + ... + 372636.

Almost surely, 2^42201352520 is an apocalyptic number.

42201352520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42201352520 is an abundant number, since it is smaller than the sum of its proper divisors (52806386800).

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

42201352520 is a wasteful number, since it uses less digits than its factorization.

42201352520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607745 (or 607741 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 42201352520 its reverse (2525310224), we get a palindrome (44726662744).

The spelling of 42201352520 in words is "forty-two billion, two hundred one million, three hundred fifty-two thousand, five hundred twenty".