20250442535 has 16 divisors (see below), whose sum is σ = 25593148800. Its totient is φ = 15339518496.

The previous prime is 20250442507. The next prime is 20250442547. The reversal of 20250442535 is 53524405202.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20250442535 is a prime.

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, 125276 + ... + 237054.

It is an arithmetic number, because the mean of its divisors is an integer number (1599571800).

Almost surely, 2^20250442535 is an apocalyptic number.

20250442535 is a deficient number, since it is larger than the sum of its proper divisors (5342706265).

20250442535 is a wasteful number, since it uses less digits than its factorization.

20250442535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113710.

The product of its (nonzero) digits is 48000, while the sum is 32.

Adding to 20250442535 its reverse (53524405202), we get a palindrome (73774847737).

The spelling of 20250442535 in words is "twenty billion, two hundred fifty million, four hundred forty-two thousand, five hundred thirty-five".