20211445026 has 32 divisors (see below), whose sum is σ = 45173963520. Its totient is φ = 6698202192.

The previous prime is 20211445021. The next prime is 20211445031. The reversal of 20211445026 is 62054411202.

20211445026 is a `hidden beast` number, since 2 + 0 + 211 + 445 + 0 + 2 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (20211445021) and next prime (20211445031).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20211445021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1072410 + ... + 1091093.

It is an arithmetic number, because the mean of its divisors is an integer number (1411686360).

Almost surely, 2^20211445026 is an apocalyptic number.

20211445026 is an abundant number, since it is smaller than the sum of its proper divisors (24962518494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20211445026 is a wasteful number, since it uses less digits than its factorization.

20211445026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163687 (or 2163681 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 20211445026 its reverse (62054411202), we get a palindrome (82265856228).

The spelling of 20211445026 in words is "twenty billion, two hundred eleven million, four hundred forty-five thousand, twenty-six".