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201310300220 = 22515791637421
BaseRepresentation
bin1011101101111100000…
…1110110100000111100
3201020121122211211111012
42323133001312200330
511244240414101340
6232251454214352
720354441214161
oct2733701664074
9636548754435
10201310300220
1178414464147
12330224b43b8
1315ca2922553
149a5a124068
1553834eb565
hex2edf07683c

201310300220 has 24 divisors (see below), whose sum is σ = 422779065408. Its totient is φ = 80518894400.

The previous prime is 201310300193. The next prime is 201310300223. The reversal of 201310300220 is 22003013102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201310300195 and 201310300204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201310300223) 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, 2891 + ... + 634530.

It is an arithmetic number, because the mean of its divisors is an integer number (17615794392).

Almost surely, 2201310300220 is an apocalyptic number.

201310300220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201310300220 is an abundant number, since it is smaller than the sum of its proper divisors (221468765188).

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

201310300220 is a wasteful number, since it uses less digits than its factorization.

201310300220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653221 (or 653219 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 201310300220 its reverse (22003013102), we get a palindrome (223313313322).

The spelling of 201310300220 in words is "two hundred one billion, three hundred ten million, three hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 15791 31582 63164 78955 157910 315820 637421 1274842 2549684 3187105 6374210 12748420 10065515011 20131030022 40262060044 50327575055 100655150110 201310300220