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14220020420 = 2253691192631
BaseRepresentation
bin11010011111001010…
…00100101011000100
31100201000110212211222
431033211010223010
5213110311123140
610311012215512
71012246115324
oct151745045304
940630425758
1014220020420
1160379158a1
12290a30a598
131458085988
1498c7cb284
155835e45b5
hex34f944ac4

14220020420 has 24 divisors (see below), whose sum is σ = 29870288448. Its totient is φ = 5686437600.

The previous prime is 14220020393. The next prime is 14220020431. The reversal of 14220020420 is 2402002241.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22496 + ... + 170135.

It is an arithmetic number, because the mean of its divisors is an integer number (1244595352).

Almost surely, 214220020420 is an apocalyptic number.

14220020420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14220020420 is an abundant number, since it is smaller than the sum of its proper divisors (15650268028).

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

14220020420 is a wasteful number, since it uses less digits than its factorization.

14220020420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196331 (or 196329 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 14220020420 its reverse (2402002241), we get a palindrome (16622022661).

The spelling of 14220020420 in words is "fourteen billion, two hundred twenty million, twenty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 3691 7382 14764 18455 36910 73820 192631 385262 770524 963155 1926310 3852620 711001021 1422002042 2844004084 3555005105 7110010210 14220020420