20894652 has 24 divisors (see below), whose sum is σ = 54171600. Its totient is φ = 6964848.

The previous prime is 20894641. The next prime is 20894663. The reversal of 20894652 is 25649802.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20894641) and next prime (20894663).

It is a super-2 number, since 2×20894652² = 873172964402208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 96627 + ... + 96842.

It is an arithmetic number, because the mean of its divisors is an integer number (2257150).

Almost surely, 2^20894652 is an apocalyptic number.

It is an amenable number.

20894652 is an abundant number, since it is smaller than the sum of its proper divisors (33276948).

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

20894652 is a wasteful number, since it uses less digits than its factorization.

20894652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193482 (or 193474 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 20894652 is about 4571.0668339021. The cubic root of 20894652 is about 275.4302993515.

The spelling of 20894652 in words is "twenty million, eight hundred ninety-four thousand, six hundred fifty-two".