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3204205020 = 223355933713
BaseRepresentation
bin1011111011111100…
…0100100111011100
322021022021110222000
42332333010213130
523030234030040
61245541122300
7142255202412
oct27677044734
98238243860
103204205020
1113a4765725
127550b9390
133c0ab1803
142257a12b2
1513b47e130
hexbefc49dc

3204205020 has 48 divisors (see below), whose sum is σ = 9968639520. Its totient is φ = 854454528.

The previous prime is 3204205019. The next prime is 3204205021. The reversal of 3204205020 is 205024023.

It is an interprime number because it is at equal distance from previous prime (3204205019) and next prime (3204205021).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3204204984 and 3204205002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3204205021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2966317 + ... + 2967396.

It is an arithmetic number, because the mean of its divisors is an integer number (207679990).

Almost surely, 23204205020 is an apocalyptic number.

3204205020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3204205020 is an abundant number, since it is smaller than the sum of its proper divisors (6764434500).

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

3204205020 is a wasteful number, since it uses less digits than its factorization.

3204205020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5933731 (or 5933723 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 3204205020 is about 56605.6977697475. The cubic root of 3204205020 is about 1474.2577930179.

Adding to 3204205020 its reverse (205024023), we get a palindrome (3409229043).

The spelling of 3204205020 in words is "three billion, two hundred four million, two hundred five thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 5933713 11867426 17801139 23734852 29668565 35602278 53403417 59337130 71204556 89005695 106806834 118674260 160210251 178011390 213613668 267017085 320420502 356022780 534034170 640841004 801051255 1068068340 1602102510 3204205020