20014388145 has 32 divisors (see below), whose sum is σ = 36252489600. Its totient is φ = 10472933952.

The previous prime is 20014388143. The next prime is 20014388153. The reversal of 20014388145 is 54188341002.

20014388145 is a `hidden beast` number, since 200 + 1 + 438 + 8 + 14 + 5 = 666.

It is not a de Polignac number, because 20014388145 - 2¹ = 20014388143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20014388143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1391475 + ... + 1405784.

It is an arithmetic number, because the mean of its divisors is an integer number (1132890300).

Almost surely, 2^20014388145 is an apocalyptic number.

It is an amenable number.

20014388145 is a deficient number, since it is larger than the sum of its proper divisors (16238101455).

20014388145 is a wasteful number, since it uses less digits than its factorization.

20014388145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2797326 (or 2797320 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The spelling of 20014388145 in words is "twenty billion, fourteen million, three hundred eighty-eight thousand, one hundred forty-five".