20223001355 has 16 divisors (see below), whose sum is σ = 26057018304. Its totient is φ = 15012264960.

The previous prime is 20223001343. The next prime is 20223001363. The reversal of 20223001355 is 55310032202.

It is not a de Polignac number, because 20223001355 - 2²² = 20218807051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20223001355.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1669442 + ... + 1681511.

It is an arithmetic number, because the mean of its divisors is an integer number (1628563644).

Almost surely, 2^20223001355 is an apocalyptic number.

20223001355 is a deficient number, since it is larger than the sum of its proper divisors (5834016949).

20223001355 is a wasteful number, since it uses less digits than its factorization.

20223001355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3351046.

The product of its (nonzero) digits is 1800, while the sum is 23.

Adding to 20223001355 its reverse (55310032202), we get a palindrome (75533033557).

The spelling of 20223001355 in words is "twenty billion, two hundred twenty-three million, one thousand, three hundred fifty-five".