20268486084 has 48 divisors (see below), whose sum is σ = 58962871296. Its totient is φ = 5264541600.

The previous prime is 20268486071. The next prime is 20268486089. The reversal of 20268486084 is 48068486202.

It is not an unprimeable number, because it can be changed into a prime (20268486089) 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, 10966872 + ... + 10968719.

It is an arithmetic number, because the mean of its divisors is an integer number (1228393152).

Almost surely, 2^20268486084 is an apocalyptic number.

It is an amenable number.

20268486084 is an abundant number, since it is smaller than the sum of its proper divisors (38694385212).

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

20268486084 is a wasteful number, since it uses less digits than its factorization.

20268486084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21935616 (or 21935614 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 48.

The spelling of 20268486084 in words is "twenty billion, two hundred sixty-eight million, four hundred eighty-six thousand, eighty-four".