20273460 has 24 divisors (see below), whose sum is σ = 56765856. Its totient is φ = 5406240.

The previous prime is 20273441. The next prime is 20273479. The reversal of 20273460 is 6437202.

It is an interprime number because it is at equal distance from previous prime (20273441) and next prime (20273479).

It is a super-2 number, since 2×20273460² = 822026360743200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20273460.

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, 168886 + ... + 169005.

It is an arithmetic number, because the mean of its divisors is an integer number (2365244).

Almost surely, 2^20273460 is an apocalyptic number.

20273460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20273460 is an abundant number, since it is smaller than the sum of its proper divisors (36492396).

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

20273460 is a wasteful number, since it uses less digits than its factorization.

20273460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337903 (or 337901 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 20273460 is about 4502.6059121358. The cubic root of 20273460 is about 272.6733066959.

The spelling of 20273460 in words is "twenty million, two hundred seventy-three thousand, four hundred sixty".