20162115140 has 24 divisors (see below), whose sum is σ = 42343584192. Its totient is φ = 8064247520.

The previous prime is 20162115119. The next prime is 20162115143. The reversal of 20162115140 is 4151126102.

It is not an unprimeable number, because it can be changed into a prime (20162115143) 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, 323945 + ... + 381135.

It is an arithmetic number, because the mean of its divisors is an integer number (1764316008).

Almost surely, 2^20162115140 is an apocalyptic number.

20162115140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20162115140 is an abundant number, since it is smaller than the sum of its proper divisors (22181469052).

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

20162115140 is a wasteful number, since it uses less digits than its factorization.

20162115140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74827 (or 74825 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The spelling of 20162115140 in words is "twenty billion, one hundred sixty-two million, one hundred fifteen thousand, one hundred forty".