20273671 has 12 divisors (see below), whose sum is σ = 22465296. Its totient is φ = 18281120.

The previous prime is 20273651. The next prime is 20273681. The reversal of 20273671 is 17637202.

It is not a de Polignac number, because 20273671 - 2⁷ = 20273543 is a prime.

It is a super-2 number, since 2×20273671² = 822043471632482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20273641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15966 + ... + 17188.

It is an arithmetic number, because the mean of its divisors is an integer number (1872108).

Almost surely, 2^20273671 is an apocalyptic number.

20273671 is a deficient number, since it is larger than the sum of its proper divisors (2191625).

20273671 is a wasteful number, since it uses less digits than its factorization.

20273671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382 (or 1371 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 20273671 is about 4502.6293429506. The cubic root of 20273671 is about 272.6742526595.

The spelling of 20273671 in words is "twenty million, two hundred seventy-three thousand, six hundred seventy-one".