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202103133220 = 22541924117319
BaseRepresentation
bin1011110000111001001…
…0010001010000100100
3201022122220200220220101
42330032102101100210
511302401400230340
6232502255313444
720413206200512
oct2741622212044
9638586626811
10202103133220
1178790a4a32a
1233203b1b884
131609ac661c1
149ad35454b2
1553cce09c9a
hex2f0e491424

202103133220 has 24 divisors (see below), whose sum is σ = 425429524800. Its totient is φ = 80648311392.

The previous prime is 202103133187. The next prime is 202103133223. The reversal of 202103133220 is 22331301202.

It is not an unprimeable number, because it can be changed into a prime (202103133223) 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, 12050280 + ... + 12067039.

It is an arithmetic number, because the mean of its divisors is an integer number (17726230200).

Almost surely, 2202103133220 is an apocalyptic number.

202103133220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202103133220 is an abundant number, since it is smaller than the sum of its proper divisors (223326391580).

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

202103133220 is a wasteful number, since it uses less digits than its factorization.

202103133220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24117747 (or 24117745 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 202103133220 its reverse (22331301202), we get a palindrome (224434434422).

The spelling of 202103133220 in words is "two hundred two billion, one hundred three million, one hundred thirty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 419 838 1676 2095 4190 8380 24117319 48234638 96469276 120586595 241173190 482346380 10105156661 20210313322 40420626644 50525783305 101051566610 202103133220