20253435 has 8 divisors (see below), whose sum is σ = 32405520. Its totient is φ = 10801824.

The previous prime is 20253433. The next prime is 20253439. The reversal of 20253435 is 53435202.

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

It is not a de Polignac number, because 20253435 - 2¹ = 20253433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20253433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675100 + ... + 675129.

It is an arithmetic number, because the mean of its divisors is an integer number (4050690).

Almost surely, 2^20253435 is an apocalyptic number.

20253435 is a deficient number, since it is larger than the sum of its proper divisors (12152085).

20253435 is a wasteful number, since it uses less digits than its factorization.

20253435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350237.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 20253435 is about 4500.3816504825. The cubic root of 20253435 is about 272.5834999281.

Adding to 20253435 its reverse (53435202), we get a palindrome (73688637).

It can be divided in two parts, 2025 and 3435, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 20253435 in words is "twenty million, two hundred fifty-three thousand, four hundred thirty-five".