20534255435 has 16 divisors (see below), whose sum is σ = 24904076736. Its totient is φ = 16252213248.

The previous prime is 20534255431. The next prime is 20534255437. The reversal of 20534255435 is 53455243502.

It is a cyclic number.

It is not a de Polignac number, because 20534255435 - 2² = 20534255431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20534255431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1775642 + ... + 1787168.

It is an arithmetic number, because the mean of its divisors is an integer number (1556504796).

Almost surely, 2^20534255435 is an apocalyptic number.

20534255435 is a deficient number, since it is larger than the sum of its proper divisors (4369821301).

20534255435 is a wasteful number, since it uses less digits than its factorization.

20534255435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15302.

The product of its (nonzero) digits is 360000, while the sum is 38.

Adding to 20534255435 its reverse (53455243502), we get a palindrome (73989498937).

The spelling of 20534255435 in words is "twenty billion, five hundred thirty-four million, two hundred fifty-five thousand, four hundred thirty-five".