Search a number
-
+
20303011232130 = 23511436740275303
BaseRepresentation
bin1001001110111001010011…
…10001011011100110000010
32122212221121202112222022210
410213130221301123212002
510130121031333412010
6111103024040242550
74163562355010544
oct447345161334602
978787552488283
1020303011232130
1165185055a6630
12233aa39470456
13b43747c2a4b3
1450295728b694
152531dbaa6b20
hex127729c5b982

20303011232130 has 256 divisors, whose sum is σ = 55229143597056. Its totient is φ = 4733656139520.

The previous prime is 20303011232117. The next prime is 20303011232143. The reversal of 20303011232130 is 3123211030302.

It is an interprime number because it is at equal distance from previous prime (20303011232117) and next prime (20303011232143).

It is a junction number, because it is equal to n+sod(n) for n = 20303011232097 and 20303011232106.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3828587059 + ... + 3828592361.

It is an arithmetic number, because the mean of its divisors is an integer number (215738842176).

Almost surely, 220303011232130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20303011232130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27614571798528).

20303011232130 is an abundant number, since it is smaller than the sum of its proper divisors (34926132364926).

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

20303011232130 is a wasteful number, since it uses less digits than its factorization.

20303011232130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9461.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20303011232130 its reverse (3123211030302), we get a palindrome (23426222262432).

The spelling of 20303011232130 in words is "twenty trillion, three hundred three billion, eleven million, two hundred thirty-two thousand, one hundred thirty".