20828867150 has 96 divisors (see below), whose sum is σ = 48845498688. Its totient is φ = 6431155200.

The previous prime is 20828867123. The next prime is 20828867201. The reversal of 20828867150 is 5176882802.

It is a junction number, because it is equal to n+sod(n) for n = 20828867095 and 20828867104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 130724 + ... + 242376.

It is an arithmetic number, because the mean of its divisors is an integer number (508807278).

Almost surely, 2^20828867150 is an apocalyptic number.

20828867150 is an abundant number, since it is smaller than the sum of its proper divisors (28016631538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20828867150 is a wasteful number, since it uses less digits than its factorization.

20828867150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111726 (or 111721 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 47.

The spelling of 20828867150 in words is "twenty billion, eight hundred twenty-eight million, eight hundred sixty-seven thousand, one hundred fifty".