420061420652 has 24 divisors (see below), whose sum is σ = 738426010560. Its totient is φ = 209083576320.

The previous prime is 420061420643. The next prime is 420061420657. The reversal of 420061420652 is 256024160024.

It is not an unprimeable number, because it can be changed into a prime (420061420657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1540349 + ... + 1792427.

It is an arithmetic number, because the mean of its divisors is an integer number (30767750440).

Almost surely, 2^420061420652 is an apocalyptic number.

It is an amenable number.

420061420652 is a deficient number, since it is larger than the sum of its proper divisors (318364589908).

420061420652 is a wasteful number, since it uses less digits than its factorization.

420061420652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253961 (or 253959 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 420061420652 its reverse (256024160024), we get a palindrome (676085580676).

The spelling of 420061420652 in words is "four hundred twenty billion, sixty-one million, four hundred twenty thousand, six hundred fifty-two".