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2420240404420 = 2257110939155809
BaseRepresentation
bin100011001110000001100…
…100011100111111000100
322120101001201022022002001
4203032001210130333010
5304123123020420140
65051502035155044
7336566546001346
oct43160144347704
98511051268061
102420240404420
11853466681643
12331085745a84
131472c6310277
14851d6c37296
1542e517cce9a
hex2338191cfc4

2420240404420 has 48 divisors (see below), whose sum is σ = 5154593673600. Its totient is φ = 954367626240.

The previous prime is 2420240404411. The next prime is 2420240404453. The reversal of 2420240404420 is 244040420242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15455476 + ... + 15611284.

It is an arithmetic number, because the mean of its divisors is an integer number (107387368200).

Almost surely, 22420240404420 is an apocalyptic number.

2420240404420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2420240404420 is an abundant number, since it is smaller than the sum of its proper divisors (2734353269180).

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

2420240404420 is a wasteful number, since it uses less digits than its factorization.

2420240404420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166828 (or 166826 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 2420240404420 its reverse (244040420242), we get a palindrome (2664280824662).

The spelling of 2420240404420 in words is "two trillion, four hundred twenty billion, two hundred forty million, four hundred four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 10939 21878 43756 54695 109390 155809 218780 311618 623236 776669 779045 1553338 1558090 3106676 3116180 3883345 7766690 11062439 15533380 22124878 44249756 55312195 110624390 221248780 1704394651 3408789302 6817578604 8521973255 17043946510 34087893020 121012020221 242024040442 484048080884 605060101105 1210120202210 2420240404420