10220026772 has 6 divisors (see below), whose sum is σ = 17885046858. Its totient is φ = 5110013384.

The previous prime is 10220026759. The next prime is 10220026777. The reversal of 10220026772 is 27762002201.

It can be written as a sum of positive squares in only one way, i.e., 9992801296 + 227225476 = 99964^2 + 15074^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220026777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277503343 + ... + 1277503350.

It is an arithmetic number, because the mean of its divisors is an integer number (2980841143).

Almost surely, 2^10220026772 is an apocalyptic number.

It is an amenable number.

10220026772 is a deficient number, since it is larger than the sum of its proper divisors (7665020086).

10220026772 is a wasteful number, since it uses less digits than its factorization.

10220026772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555006697 (or 2555006695 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

Adding to 10220026772 its reverse (27762002201), we get a palindrome (37982028973).

The spelling of 10220026772 in words is "ten billion, two hundred twenty million, twenty-six thousand, seven hundred seventy-two".