20135075454534 has 8 divisors (see below), whose sum is σ = 40270150909080. Its totient is φ = 6711691818176.

The previous prime is 20135075454517. The next prime is 20135075454541. The reversal of 20135075454534 is 43545457053102.

It is a sphenic number, since it is the product of 3 distinct primes.

20135075454534 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1677922954539 + ... + 1677922954550.

It is an arithmetic number, because the mean of its divisors is an integer number (5033768863635).

Almost surely, 2^{20135075454534} is an apocalyptic number.

20135075454534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20135075454534 is a wasteful number, since it uses less digits than its factorization.

20135075454534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355845909094.

The product of its (nonzero) digits is 5040000, while the sum is 48.

The spelling of 20135075454534 in words is "twenty trillion, one hundred thirty-five billion, seventy-five million, four hundred fifty-four thousand, five hundred thirty-four".