20301847392 has 24 divisors (see below), whose sum is σ = 53292349656. Its totient is φ = 6767282432.

The previous prime is 20301847381. The next prime is 20301847399. The reversal of 20301847392 is 29374810302.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 20301847392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301847399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105738693 + ... + 105738884.

It is an arithmetic number, because the mean of its divisors is an integer number (2220514569).

Almost surely, 2^20301847392 is an apocalyptic number.

It is an amenable number.

20301847392 is an abundant number, since it is smaller than the sum of its proper divisors (32990502264).

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

20301847392 is a wasteful number, since it uses less digits than its factorization.

20301847392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211477590 (or 211477582 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 20301847392 in words is "twenty billion, three hundred one million, eight hundred forty-seven thousand, three hundred ninety-two".