20493372 has 24 divisors (see below), whose sum is σ = 49467600. Its totient is φ = 6595456.

The previous prime is 20493371. The next prime is 20493373. The reversal of 20493372 is 27339402.

It is an interprime number because it is at equal distance from previous prime (20493371) and next prime (20493373).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20493371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29097 + ... + 29792.

It is an arithmetic number, because the mean of its divisors is an integer number (2061150).

Almost surely, 2^20493372 is an apocalyptic number.

It is an amenable number.

20493372 is an abundant number, since it is smaller than the sum of its proper divisors (28974228).

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

20493372 is a wasteful number, since it uses less digits than its factorization.

20493372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58925 (or 58923 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 20493372 is about 4526.9605697421. The cubic root of 20493372 is about 273.6556848630.

The spelling of 20493372 in words is "twenty million, four hundred ninety-three thousand, three hundred seventy-two".