1534430220 has 24 divisors (see below), whose sum is σ = 4296404784. Its totient is φ = 409181376.

The previous prime is 1534430179. The next prime is 1534430231. The reversal of 1534430220 is 220344351.

1534430220 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1534430220² = 4708952200098496800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12786859 + ... + 12786978.

It is an arithmetic number, because the mean of its divisors is an integer number (179016866).

Almost surely, 2^1534430220 is an apocalyptic number.

1534430220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1534430220 is an abundant number, since it is smaller than the sum of its proper divisors (2761974564).

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

1534430220 is a wasteful number, since it uses less digits than its factorization.

1534430220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25573849 (or 25573847 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 1534430220 is about 39171.8038900432. The cubic root of 1534430220 is about 1153.4064641909.

Adding to 1534430220 its reverse (220344351), we get a palindrome (1754774571).

The spelling of 1534430220 in words is "one billion, five hundred thirty-four million, four hundred thirty thousand, two hundred twenty".