420261022863 has 32 divisors (see below), whose sum is σ = 719163256320. Its totient is φ = 239721079680.

The previous prime is 420261022801. The next prime is 420261022871. The reversal of 420261022863 is 368220162024.

420261022863 is a `hidden beast` number, since 420 + 2 + 6 + 1 + 0 + 228 + 6 + 3 = 666.

It is not a de Polignac number, because 420261022863 - 2¹⁰ = 420261021839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420261022163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41613195 + ... + 41623292.

It is an arithmetic number, because the mean of its divisors is an integer number (22473851760).

Almost surely, 2^420261022863 is an apocalyptic number.

420261022863 is a deficient number, since it is larger than the sum of its proper divisors (298902233457).

420261022863 is a wasteful number, since it uses less digits than its factorization.

420261022863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83236524 (or 83236518 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

Adding to 420261022863 its reverse (368220162024), we get a palindrome (788481184887).

The spelling of 420261022863 in words is "four hundred twenty billion, two hundred sixty-one million, twenty-two thousand, eight hundred sixty-three".