20350746 has 24 divisors (see below), whose sum is σ = 47485620. Its totient is φ = 6261696.

The previous prime is 20350741. The next prime is 20350753. The reversal of 20350746 is 64705302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14402025 + 5948721 = 3795^2 + 2439^2 .

It is not an unprimeable number, because it can be changed into a prime (20350741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43251 + ... + 43718.

Almost surely, 2^20350746 is an apocalyptic number.

20350746 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20350746 is an abundant number, since it is smaller than the sum of its proper divisors (27134874).

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

20350746 is a wasteful number, since it uses less digits than its factorization.

20350746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86990 (or 86987 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 20350746 is about 4511.1801116781. The cubic root of 20350746 is about 273.0193602178.

The spelling of 20350746 in words is "twenty million, three hundred fifty thousand, seven hundred forty-six".