Search a number
-
+
20001400230 = 235741532827
BaseRepresentation
bin10010101000001011…
…010010010110100110
31220121221011102000010
4102220023102112212
5311430324301410
613104415231050
71305440045130
oct225013222646
956557142003
1020001400230
1185342a6039
123a62518486
131b69a78086
14d7a56c050
157c0e45c20
hex4a82d25a6

20001400230 has 192 divisors, whose sum is σ = 57348684288. Its totient is φ = 4370795520.

The previous prime is 20001400207. The next prime is 20001400327. The reversal of 20001400230 is 3200410002.

It is a super-2 number, since 2×200014002302 (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 95 ways as a sum of consecutive naturals, for example, 24185077 + ... + 24185903.

It is an arithmetic number, because the mean of its divisors is an integer number (298691064).

Almost surely, 220001400230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20001400230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28674342144).

20001400230 is an abundant number, since it is smaller than the sum of its proper divisors (37347284058).

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

20001400230 is a wasteful number, since it uses less digits than its factorization.

20001400230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991 (or 938 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20001400230 its reverse (3200410002), we get a palindrome (23201810232).

The spelling of 20001400230 in words is "twenty billion, one million, four hundred thousand, two hundred thirty".