20002445535 has 32 divisors (see below), whose sum is σ = 33865786368. Its totient is φ = 10060413440.

The previous prime is 20002445483. The next prime is 20002445543. The reversal of 20002445535 is 53554420002.

It is not a de Polignac number, because 20002445535 - 2¹² = 20002441439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 383802 + ... + 432791.

It is an arithmetic number, because the mean of its divisors is an integer number (1058305824).

Almost surely, 2^20002445535 is an apocalyptic number.

20002445535 is a deficient number, since it is larger than the sum of its proper divisors (13863340833).

20002445535 is a wasteful number, since it uses less digits than its factorization.

20002445535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816695.

The product of its (nonzero) digits is 24000, while the sum is 30.

Adding to 20002445535 its reverse (53554420002), we get a palindrome (73556865537).

The spelling of 20002445535 in words is "twenty billion, two million, four hundred forty-five thousand, five hundred thirty-five".