20010183387 has 16 divisors (see below), whose sum is σ = 28279759392. Its totient is φ = 12542036480.

The previous prime is 20010183383. The next prime is 20010183433. The reversal of 20010183387 is 78338101002.

It is a cyclic number.

It is not a de Polignac number, because 20010183387 - 2² = 20010183383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20010183383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160488 + ... + 256469.

It is an arithmetic number, because the mean of its divisors is an integer number (1767484962).

Almost surely, 2^20010183387 is an apocalyptic number.

20010183387 is a deficient number, since it is larger than the sum of its proper divisors (8269576005).

20010183387 is a wasteful number, since it uses less digits than its factorization.

20010183387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417918.

The product of its (nonzero) digits is 8064, while the sum is 33.

Adding to 20010183387 its reverse (78338101002), we get a palindrome (98348284389).

The spelling of 20010183387 in words is "twenty billion, ten million, one hundred eighty-three thousand, three hundred eighty-seven".