20273532 has 24 divisors (see below), whose sum is σ = 49795200. Its totient is φ = 6402096.

The previous prime is 20273527. The next prime is 20273543. The reversal of 20273532 is 23537202.

It is a super-2 number, since 2×20273532² = 822032199510048, which contains 22 as substring.

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, 44232 + ... + 44687.

It is an arithmetic number, because the mean of its divisors is an integer number (2074800).

Almost surely, 2^20273532 is an apocalyptic number.

It is an amenable number.

20273532 is an abundant number, since it is smaller than the sum of its proper divisors (29521668).

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

20273532 is a wasteful number, since it uses less digits than its factorization.

20273532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88945 (or 88943 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 20273532 is about 4502.6139074986. The cubic root of 20273532 is about 272.6736294899.

The spelling of 20273532 in words is "twenty million, two hundred seventy-three thousand, five hundred thirty-two".