20025034 has 4 divisors (see below), whose sum is σ = 30037554. Its totient is φ = 10012516.

The previous prime is 20025001. The next prime is 20025037. The reversal of 20025034 is 43052002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14250625 + 5774409 = 3775^2 + 2403^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20024999 and 20025017.

It is not an unprimeable number, because it can be changed into a prime (20025037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5006257 + ... + 5006260.

Almost surely, 2^20025034 is an apocalyptic number.

20025034 is a deficient number, since it is larger than the sum of its proper divisors (10012520).

20025034 is a wasteful number, since it uses less digits than its factorization.

20025034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10012519.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 20025034 is about 4474.9339659932. The cubic root of 20025034 is about 271.5549689898.

Adding to 20025034 its reverse (43052002), we get a palindrome (63077036).

The spelling of 20025034 in words is "twenty million, twenty-five thousand, thirty-four".