2020406464 has 14 divisors (see below), whose sum is σ = 4009244204. Its totient is φ = 1010203200.

The previous prime is 2020406449. The next prime is 2020406489. The reversal of 2020406464 is 4646040202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15784362 + ... + 15784489.

It is an arithmetic number, because the mean of its divisors is an integer number (286374586).

Almost surely, 2^2020406464 is an apocalyptic number.

It is an amenable number.

2020406464 is a deficient number, since it is larger than the sum of its proper divisors (1988837740).

2020406464 is an equidigital number, since it uses as much as digits as its factorization.

2020406464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31568863 (or 31568853 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 2020406464 is about 44948.9317336908. The cubic root of 2020406464 is about 1264.1916469546.

Adding to 2020406464 its reverse (4646040202), we get a palindrome (6666446666).

The spelling of 2020406464 in words is "two billion, twenty million, four hundred six thousand, four hundred sixty-four".