420741522 has 48 divisors (see below), whose sum is σ = 933647832. Its totient is φ = 136892160.

The previous prime is 420741481. The next prime is 420741523. The reversal of 420741522 is 225147024.

It can be written as a sum of positive squares in 4 ways, for example, as 314672121 + 106069401 = 17739^2 + 10299^2 .

It is not an unprimeable number, because it can be changed into a prime (420741523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149028 + ... + 151824.

Almost surely, 2^420741522 is an apocalyptic number.

420741522 is an abundant number, since it is smaller than the sum of its proper divisors (512906310).

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

420741522 is a wasteful number, since it uses less digits than its factorization.

420741522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003 (or 3000 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 420741522 is about 20511.9848381379. The cubic root of 420741522 is about 749.3277068760.

Adding to 420741522 its reverse (225147024), we get a palindrome (645888546).

The spelling of 420741522 in words is "four hundred twenty million, seven hundred forty-one thousand, five hundred twenty-two".