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13202203020 = 2235292261637
BaseRepresentation
bin11000100101110100…
…11010000110001100
31021002002021101212020
430102322122012030
5204014230444040
610022013010140
7645106605546
oct142272320614
937062241766
1013202203020
115665332596
122685483950
13132524a966
148d3562696
15524093cd0
hex312e9a18c

13202203020 has 72 divisors (see below), whose sum is σ = 38284965264. Its totient is φ = 3399174912.

The previous prime is 13202203019. The next prime is 13202203033. The reversal of 13202203020 is 2030220231.

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 23 ways as a sum of consecutive naturals, for example, 80359 + ... + 181278.

Almost surely, 213202203020 is an apocalyptic number.

13202203020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13202203020 is an abundant number, since it is smaller than the sum of its proper divisors (25082762244).

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

13202203020 is a wasteful number, since it uses less digits than its factorization.

13202203020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261707 (or 261676 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 13202203020 its reverse (2030220231), we get a palindrome (15232423251).

The spelling of 13202203020 in words is "thirteen billion, two hundred two million, two hundred three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 29 30 58 60 87 116 145 174 290 348 435 580 841 870 1682 1740 2523 3364 4205 5046 8410 10092 12615 16820 25230 50460 261637 523274 784911 1046548 1308185 1569822 2616370 3139644 3924555 5232740 7587473 7849110 15174946 15698220 22762419 30349892 37937365 45524838 75874730 91049676 113812095 151749460 220036717 227624190 440073434 455248380 660110151 880146868 1100183585 1320220302 2200367170 2640440604 3300550755 4400734340 6601101510 13202203020