20293672 has 32 divisors (see below), whose sum is σ = 45777600. Its totient is φ = 8239104.

The previous prime is 20293657. The next prime is 20293687. The reversal of 20293672 is 27639202.

It is an interprime number because it is at equal distance from previous prime (20293657) and next prime (20293687).

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, 8473 + ... + 10600.

It is an arithmetic number, because the mean of its divisors is an integer number (1430550).

Almost surely, 2^20293672 is an apocalyptic number.

It is an amenable number.

20293672 is an abundant number, since it is smaller than the sum of its proper divisors (25483928).

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

20293672 is a wasteful number, since it uses less digits than its factorization.

20293672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19105 (or 19101 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 20293672 is about 4504.8498310155. The cubic root of 20293672 is about 272.7638921603.

The spelling of 20293672 in words is "twenty million, two hundred ninety-three thousand, six hundred seventy-two".