20014132521 has 16 divisors (see below), whose sum is σ = 28505300544. Its totient is φ = 12446751744.

The previous prime is 20014132517. The next prime is 20014132559. The reversal of 20014132521 is 12523141002.

It is not a de Polignac number, because 20014132521 - 2² = 20014132517 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20014132591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1730671 + ... + 1742196.

It is an arithmetic number, because the mean of its divisors is an integer number (1781581284).

Almost surely, 2^20014132521 is an apocalyptic number.

It is an amenable number.

20014132521 is a deficient number, since it is larger than the sum of its proper divisors (8491168023).

20014132521 is a wasteful number, since it uses less digits than its factorization.

20014132521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3473000.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 20014132521 its reverse (12523141002), we get a palindrome (32537273523).

The spelling of 20014132521 in words is "twenty billion, fourteen million, one hundred thirty-two thousand, five hundred twenty-one".