20223011 has 8 divisors (see below), whose sum is σ = 21362880. Its totient is φ = 19090728.

The previous prime is 20222987. The next prime is 20223023. The reversal of 20223011 is 11032202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20223011 - 2¹⁰ = 20221987 is a prime.

It is a super-2 number, since 2×20223011² = 817940347812242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20222983 and 20223001.

It is not an unprimeable number, because it can be changed into a prime (20223611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4100 + ... + 7566.

It is an arithmetic number, because the mean of its divisors is an integer number (2670360).

Almost surely, 2^20223011 is an apocalyptic number.

20223011 is a deficient number, since it is larger than the sum of its proper divisors (1139869).

20223011 is a wasteful number, since it uses less digits than its factorization.

20223011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3793.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 20223011 is about 4497.0002223705. Note that the first 3 decimals coincide. The cubic root of 20223011 is about 272.4469430692.

Adding to 20223011 its reverse (11032202), we get a palindrome (31255213).

The spelling of 20223011 in words is "twenty million, two hundred twenty-three thousand, eleven".