454431020 has 48 divisors (see below), whose sum is σ = 964873728. Its totient is φ = 179773440.

The previous prime is 454431011. The next prime is 454431049. The reversal of 454431020 is 20134454.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1287164 + ... + 1287516.

It is an arithmetic number, because the mean of its divisors is an integer number (20101536).

Almost surely, 2^454431020 is an apocalyptic number.

It is an amenable number.

454431020 is an abundant number, since it is smaller than the sum of its proper divisors (510442708).

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

454431020 is a wasteful number, since it uses less digits than its factorization.

454431020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890 (or 888 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 454431020 is about 21317.3877386513. The cubic root of 454431020 is about 768.8164309482.

Adding to 454431020 its reverse (20134454), we get a palindrome (474565474).

The spelling of 454431020 in words is "four hundred fifty-four million, four hundred thirty-one thousand, twenty".