28020120598535 has 16 divisors (see below), whose sum is σ = 36217106052960. Its totient is φ = 20688073557120.

The previous prime is 28020120598507. The next prime is 28020120598553. The reversal of 28020120598535 is 53589502102082.

It is not a de Polignac number, because 28020120598535 - 2²⁴ = 28020103821319 is a prime.

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, 38257445 + ... + 38982974.

It is an arithmetic number, because the mean of its divisors is an integer number (2263569128310).

Almost surely, 2^{28020120598535} is an apocalyptic number.

28020120598535 is a deficient number, since it is larger than the sum of its proper divisors (8196985454425).

28020120598535 is a wasteful number, since it uses less digits than its factorization.

28020120598535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77246018.

The product of its (nonzero) digits is 1728000, while the sum is 50.

The spelling of 28020120598535 in words is "twenty-eight trillion, twenty billion, one hundred twenty million, five hundred ninety-eight thousand, five hundred thirty-five".