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1420114220 = 225710143673
BaseRepresentation
bin101010010100101…
…0011100100101100
310122222012021110222
41110221103210230
510402022123340
6352525550512
750122525460
oct12451234454
93588167428
101420114220
11669687918
12337715438
131982a1b95
14d686a4a0
1584a198b5
hex54a5392c

1420114220 has 24 divisors (see below), whose sum is σ = 3408274464. Its totient is φ = 486896256.

The previous prime is 1420114181. The next prime is 1420114229. The reversal of 1420114220 is 224110241.

It is not an unprimeable number, because it can be changed into a prime (1420114229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5071697 + ... + 5071976.

It is an arithmetic number, because the mean of its divisors is an integer number (142011436).

Almost surely, 21420114220 is an apocalyptic number.

1420114220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420114220 is an abundant number, since it is smaller than the sum of its proper divisors (1988160244).

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

1420114220 is a wasteful number, since it uses less digits than its factorization.

1420114220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10143689 (or 10143687 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1420114220 is about 37684.4028743988. The cubic root of 1420114220 is about 1124.0210004815.

Adding to 1420114220 its reverse (224110241), we get a palindrome (1644224461).

The spelling of 1420114220 in words is "one billion, four hundred twenty million, one hundred fourteen thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 10143673 20287346 40574692 50718365 71005711 101436730 142011422 202873460 284022844 355028555 710057110 1420114220