20038651284 has 24 divisors (see below), whose sum is σ = 48789760320. Its totient is φ = 6389135104.

The previous prime is 20038651279. The next prime is 20038651289. The reversal of 20038651284 is 48215683002.

It is an interprime number because it is at equal distance from previous prime (20038651279) and next prime (20038651289).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20038651289) 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, 36301629 + ... + 36302180.

It is an arithmetic number, because the mean of its divisors is an integer number (2032906680).

Almost surely, 2^20038651284 is an apocalyptic number.

It is an amenable number.

20038651284 is an abundant number, since it is smaller than the sum of its proper divisors (28751109036).

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

20038651284 is a wasteful number, since it uses less digits than its factorization.

20038651284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72603839 (or 72603837 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 20038651284 in words is "twenty billion, thirty-eight million, six hundred fifty-one thousand, two hundred eighty-four".