20534222140535 has 32 divisors (see below), whose sum is σ = 25264676796480. Its totient is φ = 16015758373888.

The previous prime is 20534222140529. The next prime is 20534222140577. The reversal of 20534222140535 is 53504122243502.

It is a cyclic number.

It is not a de Polignac number, because 20534222140535 - 2³⁴ = 20517042271351 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41990744 + ... + 42476946.

It is an arithmetic number, because the mean of its divisors is an integer number (789521149890).

Almost surely, 2^{20534222140535} is an apocalyptic number.

20534222140535 is a deficient number, since it is larger than the sum of its proper divisors (4730454655945).

20534222140535 is a wasteful number, since it uses less digits than its factorization.

20534222140535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487267.

The product of its (nonzero) digits is 288000, while the sum is 38.

The spelling of 20534222140535 in words is "twenty trillion, five hundred thirty-four billion, two hundred twenty-two million, one hundred forty thousand, five hundred thirty-five".