20026802 has 4 divisors (see below), whose sum is σ = 30040206. Its totient is φ = 10013400.

The previous prime is 20026801. The next prime is 20026829. The reversal of 20026802 is 20862002.

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., 13980121 + 6046681 = 3739^2 + 2459^2 .

It is not an unprimeable number, because it can be changed into a prime (20026801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5006699 + ... + 5006702.

Almost surely, 2^20026802 is an apocalyptic number.

20026802 is a deficient number, since it is larger than the sum of its proper divisors (10013404).

20026802 is a wasteful number, since it uses less digits than its factorization.

20026802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10013403.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 20026802 is about 4475.1315064476. The cubic root of 20026802 is about 271.5629605710.

Adding to 20026802 its reverse (20862002), we get a palindrome (40888804).

The spelling of 20026802 in words is "twenty million, twenty-six thousand, eight hundred two".