20162154103 has 12 divisors (see below), whose sum is σ = 24951306288. Its totient is φ = 15952472640.

The previous prime is 20162154079. The next prime is 20162154127. The reversal of 20162154103 is 30145126102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20162154079) and next prime (20162154127).

It is not a de Polignac number, because 20162154103 - 2⁹ = 20162153591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20162154403) 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 11 ways as a sum of consecutive naturals, for example, 8520438 + ... + 8522803.

It is an arithmetic number, because the mean of its divisors is an integer number (2079275524).

Almost surely, 2^20162154103 is an apocalyptic number.

20162154103 is a deficient number, since it is larger than the sum of its proper divisors (4789152185).

20162154103 is a wasteful number, since it uses less digits than its factorization.

20162154103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17043274 (or 17043261 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The spelling of 20162154103 in words is "twenty billion, one hundred sixty-two million, one hundred fifty-four thousand, one hundred three".