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103220050020 = 22351720334167
BaseRepresentation
bin110000000100001100…
…1001111100001100100
3100212102120201211110120
41200020121033201210
53142343313100040
6115230231521540
710312613643303
oct1401031174144
9325376654416
10103220050020
113a85903336a
12180082292b0
13996c97b399
144dd298843a
152a41c987d0
hex180864f864

103220050020 has 24 divisors (see below), whose sum is σ = 289016140224. Its totient is φ = 27525346656.

The previous prime is 103220049901. The next prime is 103220050057. The reversal of 103220050020 is 20050022301.

It is a super-2 number, since 2×1032200500202 (a number of 23 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860167024 + ... + 860167143.

It is an arithmetic number, because the mean of its divisors is an integer number (12042339176).

Almost surely, 2103220050020 is an apocalyptic number.

103220050020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103220050020 is an abundant number, since it is smaller than the sum of its proper divisors (185796090204).

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

103220050020 is a wasteful number, since it uses less digits than its factorization.

103220050020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720334179 (or 1720334177 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

Adding to 103220050020 its reverse (20050022301), we get a palindrome (123270072321).

The spelling of 103220050020 in words is "one hundred three billion, two hundred twenty million, fifty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1720334167 3440668334 5161002501 6881336668 8601670835 10322005002 17203341670 20644010004 25805012505 34406683340 51610025010 103220050020