70020001892 has 12 divisors (see below), whose sum is σ = 122876328960. Its totient is φ = 34912479336.

The previous prime is 70020001889. The next prime is 70020001913. The reversal of 70020001892 is 29810002007.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24378788 + ... + 24381659.

It is an arithmetic number, because the mean of its divisors is an integer number (10239694080).

Almost surely, 2^70020001892 is an apocalyptic number.

It is an amenable number.

70020001892 is a deficient number, since it is larger than the sum of its proper divisors (52856327068).

70020001892 is a wasteful number, since it uses less digits than its factorization.

70020001892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48760810 (or 48760808 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

Adding to 70020001892 its reverse (29810002007), we get a palindrome (99830003899).

The spelling of 70020001892 in words is "seventy billion, twenty million, one thousand, eight hundred ninety-two".