420302163464 has 32 divisors (see below), whose sum is σ = 788832457920. Its totient is φ = 209946956736.

The previous prime is 420302163433. The next prime is 420302163469. The reversal of 420302163464 is 464361203024.

It is a super-2 number, since 2×420302163464² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (420302163469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43178342 + ... + 43188074.

It is an arithmetic number, because the mean of its divisors is an integer number (24651014310).

Almost surely, 2^420302163464 is an apocalyptic number.

It is an amenable number.

420302163464 is a deficient number, since it is larger than the sum of its proper divisors (368530294456).

420302163464 is a wasteful number, since it uses less digits than its factorization.

420302163464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14429 (or 14425 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 420302163464 its reverse (464361203024), we get a palindrome (884663366488).

The spelling of 420302163464 in words is "four hundred twenty billion, three hundred two million, one hundred sixty-three thousand, four hundred sixty-four".