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13304621202020 = 2253821670125981
BaseRepresentation
bin1100000110011011100100…
…1110000111101001100100
31202002220112221000221102222
43001212321032013221210
53220440331011431040
644144020354051512
72542140626163161
oct301467116075144
952086487027388
1013304621202020
11426a5048aa515
1215aa636879b98
1375680b018895
1433dd38bc3068
1518113c8c5bb5
hexc19b9387a64

13304621202020 has 48 divisors (see below), whose sum is σ = 27952263074736. Its totient is φ = 5319456960000.

The previous prime is 13304621201999. The next prime is 13304621202167. The reversal of 13304621202020 is 2020212640331.

It can be written as a sum of positive squares in 8 ways, for example, as 217200738304 + 13087420463716 = 466048^2 + 3617654^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512077430 + ... + 512103410.

It is an arithmetic number, because the mean of its divisors is an integer number (582338814057).

Almost surely, 213304621202020 is an apocalyptic number.

13304621202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13304621202020 is an abundant number, since it is smaller than the sum of its proper divisors (14647641872716).

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

13304621202020 is a wasteful number, since it uses less digits than its factorization.

13304621202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36512 (or 36510 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 13304621202020 its reverse (2020212640331), we get a palindrome (15324833842351).

The spelling of 13304621202020 in words is "thirteen trillion, three hundred four billion, six hundred twenty-one million, two hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 3821 6701 7642 13402 15284 19105 25981 26804 33505 38210 51962 67010 76420 103924 129905 134020 259810 519620 25604521 51209042 99273401 102418084 128022605 174098681 198546802 256045210 348197362 397093604 496367005 512090420 696394724 870493405 992734010 1740986810 1985468020 3481973620 665231060101 1330462120202 2660924240404 3326155300505 6652310601010 13304621202020