20011670074 has 32 divisors (see below), whose sum is σ = 33564404160. Its totient is φ = 8869238400.

The previous prime is 20011670009. The next prime is 20011670083. The reversal of 20011670074 is 47007611002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1860877 + ... + 1871599.

It is an arithmetic number, because the mean of its divisors is an integer number (1048887630).

Almost surely, 2^20011670074 is an apocalyptic number.

20011670074 is a deficient number, since it is larger than the sum of its proper divisors (13552734086).

20011670074 is a wasteful number, since it uses less digits than its factorization.

20011670074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12846.

The product of its (nonzero) digits is 2352, while the sum is 28.

The spelling of 20011670074 in words is "twenty billion, eleven million, six hundred seventy thousand, seventy-four".