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32201442020 = 2251131209671
BaseRepresentation
bin11101111111010110…
…110000001011100100
310002010011200202002202
4131333112300023210
51011422032121040
622443152354032
72216660512106
oct357726601344
9102104622082
1032201442020
1112724969000
1262a8245918
1330624acc07
1417b697d576
15c8702d015
hex77f5b02e4

32201442020 has 48 divisors (see below), whose sum is σ = 74380311936. Its totient is φ = 11709605600.

The previous prime is 32201441963. The next prime is 32201442127. The reversal of 32201442020 is 2024410223.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 32201441983 and 32201442001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 578216 + ... + 631455.

It is an arithmetic number, because the mean of its divisors is an integer number (1549589832).

Almost surely, 232201442020 is an apocalyptic number.

It is an amenable number.

32201442020 is an abundant number, since it is smaller than the sum of its proper divisors (42178869916).

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

32201442020 is a wasteful number, since it uses less digits than its factorization.

32201442020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209713 (or 1209689 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 32201442020 its reverse (2024410223), we get a palindrome (34225852243).

The spelling of 32201442020 in words is "thirty-two billion, two hundred one million, four hundred forty-two thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 121 220 242 484 605 1210 1331 2420 2662 5324 6655 13310 26620 1209671 2419342 4838684 6048355 12096710 13306381 24193420 26612762 53225524 66531905 133063810 146370191 266127620 292740382 585480764 731850955 1463701910 1610072101 2927403820 3220144202 6440288404 8050360505 16100721010 32201442020