1021020226 has 8 divisors (see below), whose sum is σ = 1584341820. Its totient is φ = 492906288.

The previous prime is 1021020199. The next prime is 1021020227. The reversal of 1021020226 is 6220201201.

It can be written as a sum of positive squares in 2 ways, for example, as 882981225 + 138039001 = 29715^2 + 11749^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1021020227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8801841 + ... + 8801956.

Almost surely, 2^1021020226 is an apocalyptic number.

1021020226 is a deficient number, since it is larger than the sum of its proper divisors (563321594).

1021020226 is a wasteful number, since it uses less digits than its factorization.

1021020226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17603828.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1021020226 is about 31953.4071109796. The cubic root of 1021020226 is about 1006.9582129742.

Adding to 1021020226 its reverse (6220201201), we get a palindrome (7241221427).

The spelling of 1021020226 in words is "one billion, twenty-one million, twenty thousand, two hundred twenty-six".