1534456020 has 48 divisors (see below), whose sum is σ = 4320509760. Its totient is φ = 406899456.

The previous prime is 1534456019. The next prime is 1534456039. The reversal of 1534456020 is 206544351.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 60697 + ... + 82176.

It is an arithmetic number, because the mean of its divisors is an integer number (90010620).

Almost surely, 2^1534456020 is an apocalyptic number.

1534456020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1534456020 is an abundant number, since it is smaller than the sum of its proper divisors (2786053740).

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

1534456020 is a wasteful number, since it uses less digits than its factorization.

1534456020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143064 (or 143062 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 1534456020 is about 39172.1332071665. The cubic root of 1534456020 is about 1153.4129286360.

The spelling of 1534456020 in words is "one billion, five hundred thirty-four million, four hundred fifty-six thousand, twenty".