464187020 has 24 divisors (see below), whose sum is σ = 1063410768. Its totient is φ = 168795200.

The previous prime is 464187019. The next prime is 464187029. The reversal of 464187020 is 20781464.

Added to its reverse (20781464) it gives a square (484968484 = 22022²).

It is not an unprimeable number, because it can be changed into a prime (464187029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1054751 + ... + 1055190.

It is an arithmetic number, because the mean of its divisors is an integer number (44308782).

Almost surely, 2^464187020 is an apocalyptic number.

It is an amenable number.

464187020 is an abundant number, since it is smaller than the sum of its proper divisors (599223748).

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

464187020 is a wasteful number, since it uses less digits than its factorization.

464187020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109961 (or 2109959 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 464187020 is about 21544.9998839638. Note that the first 3 decimals coincide. The cubic root of 464187020 is about 774.2793272791.

Adding to 464187020 its reverse (20781464), we get a square (484968484 = 22022²).

The spelling of 464187020 in words is "four hundred sixty-four million, one hundred eighty-seven thousand, twenty".