20111702012 has 6 divisors (see below), whose sum is σ = 35195478528. Its totient is φ = 10055851004.

The previous prime is 20111701969. The next prime is 20111702071. The reversal of 20111702012 is 21020711102.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 2513962748 + ... + 2513962755.

It is an arithmetic number, because the mean of its divisors is an integer number (5865913088).

Almost surely, 2^20111702012 is an apocalyptic number.

It is an amenable number.

20111702012 is a deficient number, since it is larger than the sum of its proper divisors (15083776516).

20111702012 is a wasteful number, since it uses less digits than its factorization.

20111702012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5027925507 (or 5027925505 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 17.

The spelling of 20111702012 in words is "twenty billion, one hundred eleven million, seven hundred two thousand, twelve".