20953614 has 32 divisors (see below), whose sum is σ = 46500480. Its totient is φ = 6240800.

The previous prime is 20953607. The next prime is 20953633. The reversal of 20953614 is 41635902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1204 + ... + 6584.

It is an arithmetic number, because the mean of its divisors is an integer number (1453140).

Almost surely, 2^20953614 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20953614, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23250240).

20953614 is an abundant number, since it is smaller than the sum of its proper divisors (25546866).

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

20953614 is a wasteful number, since it uses less digits than its factorization.

20953614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5456.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 20953614 is about 4577.5117695097. The cubic root of 20953614 is about 275.6891322426.

The spelling of 20953614 in words is "twenty million, nine hundred fifty-three thousand, six hundred fourteen".