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20024547480 = 23325771111919
BaseRepresentation
bin10010101001100011…
…100101100010011000
31220200112201102001200
4102221203211202120
5312002241004410
613111003314200
71306140562620
oct225143454230
956615642050
1020024547480
1185463759a3
123a6a21b960
131b717c0b82
14d7d675880
157c2eb93c0
hex4a98e5898

20024547480 has 192 divisors, whose sum is σ = 75425126400. Its totient is φ = 4512533760.

The previous prime is 20024547467. The next prime is 20024547497. The reversal of 20024547480 is 8474542002.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 122961 + ... + 234879.

It is an arithmetic number, because the mean of its divisors is an integer number (392839200).

Almost surely, 220024547480 is an apocalyptic number.

20024547480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20024547480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37712563200).

20024547480 is an abundant number, since it is smaller than the sum of its proper divisors (55400578920).

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

20024547480 is a wasteful number, since it uses less digits than its factorization.

20024547480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112014 (or 112007 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The spelling of 20024547480 in words is "twenty billion, twenty-four million, five hundred forty-seven thousand, four hundred eighty".