20954328 has 32 divisors (see below), whose sum is σ = 52931760. Its totient is φ = 6912000.

The previous prime is 20954303. The next prime is 20954333. The reversal of 20954328 is 82345902.

It is a happy number.

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, 2173 + ... + 6828.

Almost surely, 2^20954328 is an apocalyptic number.

It is an amenable number.

20954328 is an abundant number, since it is smaller than the sum of its proper divisors (31977432).

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

20954328 is a wasteful number, since it uses less digits than its factorization.

20954328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9107 (or 9103 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 20954328 is about 4577.5897588141. The cubic root of 20954328 is about 275.6922636007.

The spelling of 20954328 in words is "twenty million, nine hundred fifty-four thousand, three hundred twenty-eight".