420820525035 has 12 divisors (see below), whose sum is σ = 729422243472. Its totient is φ = 224437613328.

The previous prime is 420820525033. The next prime is 420820525039. The reversal of 420820525035 is 530525028024.

It is a happy number.

420820525035 is a `hidden beast` number, since 4 + 20 + 82 + 0 + 52 + 503 + 5 = 666.

It is not a de Polignac number, because 420820525035 - 2¹ = 420820525033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420820525033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4675783567 + ... + 4675783656.

It is an arithmetic number, because the mean of its divisors is an integer number (60785186956).

Almost surely, 2^420820525035 is an apocalyptic number.

420820525035 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

420820525035 is a deficient number, since it is larger than the sum of its proper divisors (308601718437).

420820525035 is a wasteful number, since it uses less digits than its factorization.

420820525035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9351567234 (or 9351567231 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 420820525035 in words is "four hundred twenty billion, eight hundred twenty million, five hundred twenty-five thousand, thirty-five".