20530521214 has 32 divisors (see below), whose sum is σ = 35450041536. Its totient is φ = 8735247360.

The previous prime is 20530521173. The next prime is 20530521229. The reversal of 20530521214 is 41212503502.

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, 1546734 + ... + 1559950.

It is an arithmetic number, because the mean of its divisors is an integer number (1107813798).

Almost surely, 2^20530521214 is an apocalyptic number.

20530521214 is a deficient number, since it is larger than the sum of its proper divisors (14919520322).

20530521214 is a wasteful number, since it uses less digits than its factorization.

20530521214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14020.

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 20530521214 in words is "twenty billion, five hundred thirty million, five hundred twenty-one thousand, two hundred fourteen".