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20203100011230 = 235673436667041
BaseRepresentation
bin1001001011111111001101…
…00110010111101011011110
32122112101201202222002002220
410211333212212113223132
510122001422100324410
6110545102004130210
74153424436441333
oct445774646275336
978471652862086
1020203100011230
11648a0a5298594
1223235b5396966
13b371b4933086
144dbb99d3a98a
152507e0557070
hex125fe6997ade

20203100011230 has 16 divisors (see below), whose sum is σ = 48487440027024. Its totient is φ = 5387493336320.

The previous prime is 20203100011181. The next prime is 20203100011231. The reversal of 20203100011230 is 3211000130202.

It is a super-2 number, since 2×202031000112302 (a number of 27 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203100011231) 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, 336718333491 + ... + 336718333550.

It is an arithmetic number, because the mean of its divisors is an integer number (3030465001689).

Almost surely, 220203100011230 is an apocalyptic number.

20203100011230 is an abundant number, since it is smaller than the sum of its proper divisors (28284340015794).

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

20203100011230 is a wasteful number, since it uses less digits than its factorization.

20203100011230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673436667051.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20203100011230 its reverse (3211000130202), we get a palindrome (23414100141432).

The spelling of 20203100011230 in words is "twenty trillion, two hundred three billion, one hundred million, eleven thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 673436667041 1346873334082 2020310001123 3367183335205 4040620002246 6734366670410 10101550005615 20203100011230