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2029667220 = 2237572947
BaseRepresentation
bin111100011111010…
…0100001110010100
312020110011210000000
41320332210032110
513124043322340
6533222451300
7101203613100
oct17076441624
95213153000
102029667220
11951770029
12487893b30
13264663a29
141537bc900
15bd2c2d30
hex78fa4394

2029667220 has 288 divisors, whose sum is σ = 7443999360. Its totient is φ = 463434048.

The previous prime is 2029667219. The next prime is 2029667249. The reversal of 2029667220 is 227669202.

2029667220 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2142787 + ... + 2143733.

It is an arithmetic number, because the mean of its divisors is an integer number (25847220).

Almost surely, 22029667220 is an apocalyptic number.

2029667220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2029667220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3721999680).

2029667220 is an abundant number, since it is smaller than the sum of its proper divisors (5414332140).

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

2029667220 is an equidigital number, since it uses as much as digits as its factorization.

2029667220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991 (or 964 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 2029667220 is about 45051.8281538053. The cubic root of 2029667220 is about 1266.1202239773.

The spelling of 2029667220 in words is "two billion, twenty-nine million, six hundred sixty-seven thousand, two hundred twenty".