20954382 has 8 divisors (see below), whose sum is σ = 41908776. Its totient is φ = 6984792.

The previous prime is 20954377. The next prime is 20954399. The reversal of 20954382 is 28345902.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

20954382 is an admirable number.

It is a super-2 number, since 2×20954382² = 878172250003848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1746193 + ... + 1746204.

It is an arithmetic number, because the mean of its divisors is an integer number (5238597).

Almost surely, 2^20954382 is an apocalyptic number.

20954382 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20954382 is a wasteful number, since it uses less digits than its factorization.

20954382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3492402.

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

The square root of 20954382 is about 4577.5956571108. The cubic root of 20954382 is about 275.6925004232.

The spelling of 20954382 in words is "twenty million, nine hundred fifty-four thousand, three hundred eighty-two".