1534320135020 has 24 divisors (see below), whose sum is σ = 3222102865968. Its totient is φ = 613722228800.

The previous prime is 1534320135017. The next prime is 1534320135097. The reversal of 1534320135020 is 205310234351.

It is a happy number.

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, 2255435 + ... + 2855805.

It is an arithmetic number, because the mean of its divisors is an integer number (134254286082).

Almost surely, 2^{1534320135020} is an apocalyptic number.

1534320135020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1534320135020 is an abundant number, since it is smaller than the sum of its proper divisors (1687782730948).

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

1534320135020 is a wasteful number, since it uses less digits than its factorization.

1534320135020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728161 (or 728159 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 1534320135020 its reverse (205310234351), we get a palindrome (1739630369371).

The spelling of 1534320135020 in words is "one trillion, five hundred thirty-four billion, three hundred twenty million, one hundred thirty-five thousand, twenty".