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20024264624 = 2471315191079
BaseRepresentation
bin10010101001100010…
…100000011110110000
31220200112012001001112
4102221202200132300
5312002202431444
613110553252452
71306135304150
oct225142403660
956615161045
1020024264624
1185461a2431
123a6a104128
131b717221c0
14d7d600760
157c2e6069e
hex4a98a07b0

20024264624 has 80 divisors (see below), whose sum is σ = 48066923520. Its totient is φ = 7869139200.

The previous prime is 20024264621. The next prime is 20024264629. The reversal of 20024264624 is 42646242002.

It is a super-2 number, since 2×200242646242 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20024264621) 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, 174317 + ... + 265395.

It is an arithmetic number, because the mean of its divisors is an integer number (600836544).

Almost surely, 220024264624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20024264624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24033461760).

20024264624 is an abundant number, since it is smaller than the sum of its proper divisors (28042658896).

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

20024264624 is a wasteful number, since it uses less digits than its factorization.

20024264624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91258 (or 91252 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

The spelling of 20024264624 in words is "twenty billion, twenty-four million, two hundred sixty-four thousand, six hundred twenty-four".

Divisors: 1 2 4 7 8 13 14 16 26 28 52 56 91 104 112 151 182 208 302 364 604 728 1057 1208 1456 1963 2114 2416 3926 4228 7852 8456 13741 15704 16912 27482 31408 54964 91079 109928 182158 219856 364316 637553 728632 1184027 1275106 1457264 2368054 2550212 4736108 5100424 8288189 9472216 10200848 13752929 16576378 18944432 27505858 33152756 55011716 66305512 96270503 110023432 132611024 178788077 192541006 220046864 357576154 385082012 715152308 770164024 1251516539 1430304616 1540328048 2503033078 2860609232 5006066156 10012132312 20024264624