20273452 has 24 divisors (see below), whose sum is σ = 37706256. Its totient is φ = 9504768.

The previous prime is 20273441. The next prime is 20273479. The reversal of 20273452 is 25437202.

It is a super-2 number, since 2×20273452² = 822025711992608, which contains 22 as substring.

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, 29788 + ... + 30460.

It is an arithmetic number, because the mean of its divisors is an integer number (1571094).

Almost surely, 2^20273452 is an apocalyptic number.

It is an amenable number.

20273452 is a deficient number, since it is larger than the sum of its proper divisors (17432804).

20273452 is a wasteful number, since it uses less digits than its factorization.

20273452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137 (or 1135 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 20273452 is about 4502.6050237612. The cubic root of 20273452 is about 272.6732708298.

The spelling of 20273452 in words is "twenty million, two hundred seventy-three thousand, four hundred fifty-two".