20530541235 has 32 divisors (see below), whose sum is σ = 33240195072. Its totient is φ = 10819872000.

The previous prime is 20530541231. The next prime is 20530541237. The reversal of 20530541235 is 53214503502.

It is not a de Polignac number, because 20530541235 - 2² = 20530541231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20530541231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 456687 + ... + 499623.

It is an arithmetic number, because the mean of its divisors is an integer number (1038756096).

Almost surely, 2^20530541235 is an apocalyptic number.

20530541235 is a deficient number, since it is larger than the sum of its proper divisors (12709653837).

20530541235 is a wasteful number, since it uses less digits than its factorization.

20530541235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43323.

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 20530541235 in words is "twenty billion, five hundred thirty million, five hundred forty-one thousand, two hundred thirty-five".