1020226671 has 20 divisors (see below), whose sum is σ = 1526534064. Its totient is φ = 679039200.

The previous prime is 1020226667. The next prime is 1020226751. The reversal of 1020226671 is 1766220201.

It is not a de Polignac number, because 1020226671 - 2² = 1020226667 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020226651) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 41131 + ... + 61091.

Almost surely, 2^1020226671 is an apocalyptic number.

1020226671 is a deficient number, since it is larger than the sum of its proper divisors (506307393).

1020226671 is an equidigital number, since it uses as much as digits as its factorization.

1020226671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20604 (or 20595 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1020226671 is about 31940.9873203694. The cubic root of 1020226671 is about 1006.6972701079.

Adding to 1020226671 its reverse (1766220201), we get a palindrome (2786446872).

The spelling of 1020226671 in words is "one billion, twenty million, two hundred twenty-six thousand, six hundred seventy-one".