20114510890 has 32 divisors (see below), whose sum is σ = 37516317696. Its totient is φ = 7756625280.

The previous prime is 20114510887. The next prime is 20114510893. The reversal of 20114510890 is 9801541102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20114510887) and next prime (20114510893).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (20114510893) by changing a digit.

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, 41827 + ... + 204886.

It is an arithmetic number, because the mean of its divisors is an integer number (1172384928).

Almost surely, 2^20114510890 is an apocalyptic number.

20114510890 is a deficient number, since it is larger than the sum of its proper divisors (17401806806).

20114510890 is a wasteful number, since it uses less digits than its factorization.

20114510890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247014.

The product of its (nonzero) digits is 2880, while the sum is 31.

The spelling of 20114510890 in words is "twenty billion, one hundred fourteen million, five hundred ten thousand, eight hundred ninety".