20750371 has 2 divisors, whose sum is σ = 20750372. Its totient is φ = 20750370.

The previous prime is 20750357. The next prime is 20750407. The reversal of 20750371 is 17305702.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20750371 - 2⁵ = 20750339 is a prime.

It is not a weakly prime, because it can be changed into another prime (20750321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10375185 + 10375186.

It is an arithmetic number, because the mean of its divisors is an integer number (10375186).

Almost surely, 2^20750371 is an apocalyptic number.

20750371 is a deficient number, since it is larger than the sum of its proper divisors (1).

20750371 is an equidigital number, since it uses as much as digits as its factorization.

20750371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 20750371 is about 4555.2575119306. The cubic root of 20750371 is about 274.7948707185.

The spelling of 20750371 in words is "twenty million, seven hundred fifty thousand, three hundred seventy-one".