20110605942 has 32 divisors (see below), whose sum is σ = 46066424832. Its totient is φ = 5733471744.

The previous prime is 20110605919. The next prime is 20110605943. The reversal of 20110605942 is 24950601102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110605943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497643 + ... + 536534.

It is an arithmetic number, because the mean of its divisors is an integer number (1439575776).

Almost surely, 2^20110605942 is an apocalyptic number.

20110605942 is an abundant number, since it is smaller than the sum of its proper divisors (25955818890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20110605942 is a wasteful number, since it uses less digits than its factorization.

20110605942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034652.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 20110605942 in words is "twenty billion, one hundred ten million, six hundred five thousand, nine hundred forty-two".