20147469384 has 32 divisors (see below), whose sum is σ = 57564198720. Its totient is φ = 5756419776.

The previous prime is 20147469379. The next prime is 20147469389. The reversal of 20147469384 is 48396474102.

It is an interprime number because it is at equal distance from previous prime (20147469379) and next prime (20147469389).

It is not an unprimeable number, because it can be changed into a prime (20147469389) 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, 59962539 + ... + 59962874.

It is an arithmetic number, because the mean of its divisors is an integer number (1798881210).

Almost surely, 2^20147469384 is an apocalyptic number.

20147469384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20147469384 is an abundant number, since it is smaller than the sum of its proper divisors (37416729336).

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

20147469384 is a wasteful number, since it uses less digits than its factorization.

20147469384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119925429 (or 119925425 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 20147469384 in words is "twenty billion, one hundred forty-seven million, four hundred sixty-nine thousand, three hundred eighty-four".