20494552 has 16 divisors (see below), whose sum is σ = 41383440. Its totient is φ = 9458976.

The previous prime is 20494543. The next prime is 20494553. The reversal of 20494552 is 25549402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20494553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98428 + ... + 98635.

It is an arithmetic number, because the mean of its divisors is an integer number (2586465).

Almost surely, 2^20494552 is an apocalyptic number.

It is an amenable number.

20494552 is an abundant number, since it is smaller than the sum of its proper divisors (20888888).

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

20494552 is a wasteful number, since it uses less digits than its factorization.

20494552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197082 (or 197078 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 20494552 is about 4527.0908981376. The cubic root of 20494552 is about 273.6609370898.

The spelling of 20494552 in words is "twenty million, four hundred ninety-four thousand, five hundred fifty-two".