20854941 has 8 divisors (see below), whose sum is σ = 28053120. Its totient is φ = 13780032.

The previous prime is 20854931. The next prime is 20854943. The reversal of 20854941 is 14945802.

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

It is not a de Polignac number, because 20854941 - 2⁹ = 20854429 is a prime.

It is a super-2 number, since 2×20854941² = 869857128226962, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20854943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30421 + ... + 31098.

It is an arithmetic number, because the mean of its divisors is an integer number (3506640).

Almost surely, 2^20854941 is an apocalyptic number.

It is an amenable number.

20854941 is a deficient number, since it is larger than the sum of its proper divisors (7198179).

20854941 is a wasteful number, since it uses less digits than its factorization.

20854941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61635.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 20854941 is about 4566.7210337396. The cubic root of 20854941 is about 275.2557004630.

The spelling of 20854941 in words is "twenty million, eight hundred fifty-four thousand, nine hundred forty-one".