20828150 has 24 divisors (see below), whose sum is σ = 44275440. Its totient is φ = 7140960.

The previous prime is 20828149. The next prime is 20828153. The reversal of 20828150 is 5182802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20828153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29405 + ... + 30104.

It is an arithmetic number, because the mean of its divisors is an integer number (1844810).

Almost surely, 2^20828150 is an apocalyptic number.

20828150 is an abundant number, since it is smaller than the sum of its proper divisors (23447290).

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

20828150 is a wasteful number, since it uses less digits than its factorization.

20828150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59528 (or 59523 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 20828150 is about 4563.7868048365. The cubic root of 20828150 is about 275.1377821957.

The spelling of 20828150 in words is "twenty million, eight hundred twenty-eight thousand, one hundred fifty".