424451020 has 24 divisors (see below), whose sum is σ = 1018682784. Its totient is φ = 145526016.

The previous prime is 424451011. The next prime is 424451023. The reversal of 424451020 is 20154424.

It is a happy number.

It is a super-3 number, since 3×424451020³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 424450982 and 424451000.

It is not an unprimeable number, because it can be changed into a prime (424451023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1515757 + ... + 1516036.

It is an arithmetic number, because the mean of its divisors is an integer number (42445116).

Almost surely, 2^424451020 is an apocalyptic number.

It is an amenable number.

424451020 is an abundant number, since it is smaller than the sum of its proper divisors (594231764).

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

424451020 is a wasteful number, since it uses less digits than its factorization.

424451020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031809 (or 3031807 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 424451020 is about 20602.2091048509. The cubic root of 424451020 is about 751.5234338077.

The spelling of 424451020 in words is "four hundred twenty-four million, four hundred fifty-one thousand, twenty".