1020670671 has 32 divisors (see below), whose sum is σ = 1456035840. Its totient is φ = 634125024.

The previous prime is 1020670643. The next prime is 1020670681. The reversal of 1020670671 is 1760760201.

It is a happy number.

It is not a de Polignac number, because 1020670671 - 2⁵ = 1020670639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020670621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2095590 + ... + 2096076.

It is an arithmetic number, because the mean of its divisors is an integer number (45501120).

Almost surely, 2^1020670671 is an apocalyptic number.

1020670671 is a deficient number, since it is larger than the sum of its proper divisors (435365169).

1020670671 is a wasteful number, since it uses less digits than its factorization.

1020670671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 1020670671 is about 31947.9368817456. The cubic root of 1020670671 is about 1006.8432862746.

The spelling of 1020670671 in words is "one billion, twenty million, six hundred seventy thousand, six hundred seventy-one".