20242535 has 16 divisors (see below), whose sum is σ = 25432320. Its totient is φ = 15448320.

The previous prime is 20242511. The next prime is 20242549. The reversal of 20242535 is 53524202.

It is not a de Polignac number, because 20242535 - 2⁶ = 20242471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20242535.

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, 10421 + ... + 12209.

It is an arithmetic number, because the mean of its divisors is an integer number (1589520).

Almost surely, 2^20242535 is an apocalyptic number.

20242535 is a deficient number, since it is larger than the sum of its proper divisors (5189785).

20242535 is a wasteful number, since it uses less digits than its factorization.

20242535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 20242535 is about 4499.1704790995. The cubic root of 20242535 is about 272.5345914621.

Adding to 20242535 its reverse (53524202), we get a palindrome (73766737).

The spelling of 20242535 in words is "twenty million, two hundred forty-two thousand, five hundred thirty-five".