20214740140 has 24 divisors (see below), whose sum is σ = 48515376672. Its totient is φ = 6930768000.

The previous prime is 20214740011. The next prime is 20214740141. The reversal of 20214740140 is 4104741202.

It is not an unprimeable number, because it can be changed into a prime (20214740141) 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 7 ways as a sum of consecutive naturals, for example, 72195361 + ... + 72195640.

It is an arithmetic number, because the mean of its divisors is an integer number (2021474028).

Almost surely, 2^20214740140 is an apocalyptic number.

20214740140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20214740140 is an abundant number, since it is smaller than the sum of its proper divisors (28300636532).

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

20214740140 is a wasteful number, since it uses less digits than its factorization.

20214740140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144391017 (or 144391015 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The spelling of 20214740140 in words is "twenty billion, two hundred fourteen million, seven hundred forty thousand, one hundred forty".