20863371 has 16 divisors (see below), whose sum is σ = 28304640. Its totient is φ = 13668000.

The previous prime is 20863361. The next prime is 20863373. The reversal of 20863371 is 17336802.

It is not a de Polignac number, because 20863371 - 2⁶ = 20863307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20863373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77425 + ... + 77693.

It is an arithmetic number, because the mean of its divisors is an integer number (1769040).

Almost surely, 2^20863371 is an apocalyptic number.

20863371 is a deficient number, since it is larger than the sum of its proper divisors (7441269).

20863371 is a wasteful number, since it uses less digits than its factorization.

20863371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 20863371 is about 4567.6439221988. The cubic root of 20863371 is about 275.2927834892.

The spelling of 20863371 in words is "twenty million, eight hundred sixty-three thousand, three hundred seventy-one".