20246732 has 24 divisors (see below), whose sum is σ = 38780112. Its totient is φ = 9172800.

The previous prime is 20246731. The next prime is 20246747. The reversal of 20246732 is 23764202.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20246731) 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, 17978 + ... + 19070.

It is an arithmetic number, because the mean of its divisors is an integer number (1615838).

Almost surely, 2^20246732 is an apocalyptic number.

20246732 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20246732 is a deficient number, since it is larger than the sum of its proper divisors (18533380).

20246732 is a wasteful number, since it uses less digits than its factorization.

20246732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529 (or 1527 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 20246732 is about 4499.6368742377. The cubic root of 20246732 is about 272.5534255432.

The spelling of 20246732 in words is "twenty million, two hundred forty-six thousand, seven hundred thirty-two".