454600020 has 48 divisors (see below), whose sum is σ = 1454721408. Its totient is φ = 103908480.

The previous prime is 454600001. The next prime is 454600021. The reversal of 454600020 is 20006454.

It is a happy number.

It is a super-2 number, since 2×454600020² = 413322356368000800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 454600020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454600021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 540771 + ... + 541610.

It is an arithmetic number, because the mean of its divisors is an integer number (30306696).

Almost surely, 2^454600020 is an apocalyptic number.

It is an amenable number.

454600020 is an abundant number, since it is smaller than the sum of its proper divisors (1000121388).

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

454600020 is a wasteful number, since it uses less digits than its factorization.

454600020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082400 (or 1082398 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 454600020 is about 21321.3512704988. The cubic root of 454600020 is about 768.9117251129.

Adding to 454600020 its reverse (20006454), we get a palindrome (474606474).

The spelling of 454600020 in words is "four hundred fifty-four million, six hundred thousand, twenty".