20850528476 has 24 divisors (see below), whose sum is σ = 36905917440. Its totient is φ = 10306296000.

The previous prime is 20850528467. The next prime is 20850528481. The reversal of 20850528476 is 67482505802.

It is a self number, because there is not a number n which added to its sum of digits gives 20850528476.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228005 + ... + 306083.

It is an arithmetic number, because the mean of its divisors is an integer number (1537746560).

Almost surely, 2^20850528476 is an apocalyptic number.

It is an amenable number.

20850528476 is a deficient number, since it is larger than the sum of its proper divisors (16055388964).

20850528476 is a wasteful number, since it uses less digits than its factorization.

20850528476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78845 (or 78843 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 47.

The spelling of 20850528476 in words is "twenty billion, eight hundred fifty million, five hundred twenty-eight thousand, four hundred seventy-six".