1000020967 has 8 divisors (see below), whose sum is σ = 1092736512. Its totient is φ = 907606200.

The previous prime is 1000020961. The next prime is 1000020991. The reversal of 1000020967 is 7690200001.

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

It is a cyclic number.

It is not a de Polignac number, because 1000020967 - 2¹⁹ = 999496679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000020961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68209 + ... + 81562.

It is an arithmetic number, because the mean of its divisors is an integer number (136592064).

Almost surely, 2^1000020967 is an apocalyptic number.

1000020967 is a deficient number, since it is larger than the sum of its proper divisors (92715545).

1000020967 is a wasteful number, since it uses less digits than its factorization.

1000020967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150389.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1000020967 is about 31623.1081173246. The cubic root of 1000020967 is about 1000.0069889512.

Adding to 1000020967 its reverse (7690200001), we get a palindrome (8690220968).

The spelling of 1000020967 in words is "one billion, twenty thousand, nine hundred sixty-seven".