20094740 has 12 divisors (see below), whose sum is σ = 42198996. Its totient is φ = 8037888.

The previous prime is 20094733. The next prime is 20094743. The reversal of 20094740 is 4749002.

It can be written as a sum of positive squares in 2 ways, for example, as 12630916 + 7463824 = 3554^2 + 2732^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20094743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502349 + ... + 502388.

It is an arithmetic number, because the mean of its divisors is an integer number (3516583).

Almost surely, 2^20094740 is an apocalyptic number.

20094740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20094740 is an abundant number, since it is smaller than the sum of its proper divisors (22104256).

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

20094740 is a wasteful number, since it uses less digits than its factorization.

20094740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004746 (or 1004744 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 20094740 is about 4482.7156947547. The cubic root of 20094740 is about 271.8696932068.

The spelling of 20094740 in words is "twenty million, ninety-four thousand, seven hundred forty".