20252112535 has 4 divisors (see below), whose sum is σ = 24302535048. Its totient is φ = 16201690024.

The previous prime is 20252112533. The next prime is 20252112547. The reversal of 20252112535 is 53521125202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53521125202 = 2 ⋅26760562601.

It is a cyclic number.

It is not a de Polignac number, because 20252112535 - 2¹ = 20252112533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20252112533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2025211249 + ... + 2025211258.

It is an arithmetic number, because the mean of its divisors is an integer number (6075633762).

Almost surely, 2^20252112535 is an apocalyptic number.

20252112535 is a deficient number, since it is larger than the sum of its proper divisors (4050422513).

20252112535 is an equidigital number, since it uses as much as digits as its factorization.

20252112535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4050422512.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 20252112535 its reverse (53521125202), we get a palindrome (73773237737).

The spelling of 20252112535 in words is "twenty billion, two hundred fifty-two million, one hundred twelve thousand, five hundred thirty-five".