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20301013300 = 2252203010133
BaseRepresentation
bin10010111010000010…
…001110000100110100
31221101210221022212111
4102322002032010310
5313034024411200
613154241100404
71316035523461
oct227202160464
957353838774
1020301013300
118678435847
123b26927704
131bb6b6ba09
14da8280668
157dc3ca0ba
hex4ba08e134

20301013300 has 18 divisors (see below), whose sum is σ = 44053199078. Its totient is φ = 8120405280.

The previous prime is 20301013259. The next prime is 20301013349. The reversal of 20301013300 is 331010302.

It can be written as a sum of positive squares in 3 ways, for example, as 7060368676 + 13240644624 = 84026^2 + 115068^2 .

It is a super-2 number, since 2×203010133002 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101504967 + ... + 101505166.

Almost surely, 220301013300 is an apocalyptic number.

20301013300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20301013300 is an abundant number, since it is smaller than the sum of its proper divisors (23752185778).

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

20301013300 is a wasteful number, since it uses less digits than its factorization.

20301013300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203010147 (or 203010140 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 20301013300 its reverse (331010302), we get a palindrome (20632023602).

The spelling of 20301013300 in words is "twenty billion, three hundred one million, thirteen thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 203010133 406020266 812040532 1015050665 2030101330 4060202660 5075253325 10150506650 20301013300