20794746 has 16 divisors (see below), whose sum is σ = 47530944. Its totient is φ = 5941344.

The previous prime is 20794699. The next prime is 20794747. The reversal of 20794746 is 64749702.

It is a super-2 number, since 2×20794746² = 864842922409032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20794747) 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, 247515 + ... + 247598.

It is an arithmetic number, because the mean of its divisors is an integer number (2970684).

Almost surely, 2^20794746 is an apocalyptic number.

20794746 is an abundant number, since it is smaller than the sum of its proper divisors (26736198).

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

20794746 is a wasteful number, since it uses less digits than its factorization.

20794746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495125.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 20794746 is about 4560.1256561634. The cubic root of 20794746 is about 274.9906156577.

The spelling of 20794746 in words is "twenty million, seven hundred ninety-four thousand, seven hundred forty-six".