20862681194 has 16 divisors (see below), whose sum is σ = 31881664800. Its totient is φ = 10236095664.

The previous prime is 20862681193. The next prime is 20862681199. The reversal of 20862681194 is 49118626802.

It is not an unprimeable number, because it can be changed into a prime (20862681193) 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, 92984 + ... + 224435.

It is an arithmetic number, because the mean of its divisors is an integer number (1992604050).

Almost surely, 2^20862681194 is an apocalyptic number.

20862681194 is a deficient number, since it is larger than the sum of its proper divisors (11018983606).

20862681194 is a wasteful number, since it uses less digits than its factorization.

20862681194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318037.

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 20862681194 in words is "twenty billion, eight hundred sixty-two million, six hundred eighty-one thousand, one hundred ninety-four".