20022092 has 6 divisors (see below), whose sum is σ = 35038668. Its totient is φ = 10011044.

The previous prime is 20022089. The next prime is 20022097. The reversal of 20022092 is 29022002.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20022092.

It is not an unprimeable number, because it can be changed into a prime (20022097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502758 + ... + 2502765.

It is an arithmetic number, because the mean of its divisors is an integer number (5839778).

Almost surely, 2^20022092 is an apocalyptic number.

It is an amenable number.

20022092 is a deficient number, since it is larger than the sum of its proper divisors (15016576).

20022092 is a wasteful number, since it uses less digits than its factorization.

20022092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005527 (or 5005525 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 20022092 is about 4474.6052339843. The cubic root of 20022092 is about 271.5416697390.

Adding to 20022092 its reverse (29022002), we get a palindrome (49044094).

The spelling of 20022092 in words is "twenty million, twenty-two thousand, ninety-two".