20072754 has 24 divisors (see below), whose sum is σ = 46836972. Its totient is φ = 6176160.

The previous prime is 20072753. The next prime is 20072761. The reversal of 20072754 is 45727002.

It can be written as a sum of positive squares in 2 ways, for example, as 20007729 + 65025 = 4473^2 + 255^2 .

It is not an unprimeable number, because it can be changed into a prime (20072753) 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, 42657 + ... + 43124.

Almost surely, 2^20072754 is an apocalyptic number.

20072754 is an abundant number, since it is smaller than the sum of its proper divisors (26764218).

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

20072754 is a wasteful number, since it uses less digits than its factorization.

20072754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85802 (or 85799 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 20072754 is about 4480.2627155112. The cubic root of 20072754 is about 271.7705045906.

Adding to 20072754 its reverse (45727002), we get a palindrome (65799756).

It can be divided in two parts, 2007 and 2754, that added together give a square (4761 = 69²).

The spelling of 20072754 in words is "twenty million, seventy-two thousand, seven hundred fifty-four".