20528671414 has 16 divisors (see below), whose sum is σ = 31060800000. Its totient is φ = 10175203584.

The previous prime is 20528671399. The next prime is 20528671451. The reversal of 20528671414 is 41417682502.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 284892 + ... + 349600.

It is an arithmetic number, because the mean of its divisors is an integer number (1941300000).

Almost surely, 2^20528671414 is an apocalyptic number.

20528671414 is a deficient number, since it is larger than the sum of its proper divisors (10532128586).

20528671414 is a wasteful number, since it uses less digits than its factorization.

20528671414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66087.

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 20528671414 in words is "twenty billion, five hundred twenty-eight million, six hundred seventy-one thousand, four hundred fourteen".