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200013023220 = 223541612116317
BaseRepresentation
bin1011101001000110110…
…1001000011111110100
3201010021020210022222220
42322101231020133310
511234111313220340
6231515033122340
720310336434403
oct2722155103764
9633236708886
10200013023220
117790915679a
123291bb593b0
1315b26c2bb1a
149975b1163a
155309697ed0
hex2e91b487f4

200013023220 has 192 divisors, whose sum is σ = 585956996352. Its totient is φ = 50932224000.

The previous prime is 200013023213. The next prime is 200013023267. The reversal of 200013023220 is 22320310002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 200013023220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31659502 + ... + 31665818.

It is an arithmetic number, because the mean of its divisors is an integer number (3051859356).

Almost surely, 2200013023220 is an apocalyptic number.

200013023220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200013023220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292978498176).

200013023220 is an abundant number, since it is smaller than the sum of its proper divisors (385943973132).

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

200013023220 is a wasteful number, since it uses less digits than its factorization.

200013023220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6642 (or 6640 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 200013023220 its reverse (22320310002), we get a palindrome (222333333222).

The spelling of 200013023220 in words is "two hundred billion, thirteen million, twenty-three thousand, two hundred twenty".