1000020970 has 16 divisors (see below), whose sum is σ = 1938502440. Its totient is φ = 369238464.

The previous prime is 1000020961. The next prime is 1000020991. The reversal of 1000020970 is 790200001.

It can be written as a sum of positive squares in 4 ways, for example, as 516152961 + 483868009 = 22719^2 + 21997^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3846105 + ... + 3846364.

Almost surely, 2^1000020970 is an apocalyptic number.

1000020970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000020970 is a deficient number, since it is larger than the sum of its proper divisors (938481470).

1000020970 is a wasteful number, since it uses less digits than its factorization.

1000020970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7692489.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 1000020970 is about 31623.1081647583. The cubic root of 1000020970 is about 1000.0069899511.

Adding to 1000020970 its reverse (790200001), we get a palindrome (1790220971).

The spelling of 1000020970 in words is "one billion, twenty thousand, nine hundred seventy".