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2132210020 = 225195611079
BaseRepresentation
bin111111100010110…
…1111000101100100
312111121010111021111
41333011233011210
513331321210040
6551324354404
7103560325513
oct17705570544
95447114244
102132210020
119a4638a46
124b60a5a04
1327c987a45
1416327267a
15c72cadea
hex7f16f164

2132210020 has 24 divisors (see below), whose sum is σ = 4713307200. Its totient is φ = 807995232.

The previous prime is 2132209999. The next prime is 2132210021. The reversal of 2132210020 is 200122312.

It is not an unprimeable number, because it can be changed into a prime (2132210021) 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, 2805160 + ... + 2805919.

It is an arithmetic number, because the mean of its divisors is an integer number (196387800).

Almost surely, 22132210020 is an apocalyptic number.

2132210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2132210020 is an abundant number, since it is smaller than the sum of its proper divisors (2581097180).

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

2132210020 is a wasteful number, since it uses less digits than its factorization.

2132210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5611107 (or 5611105 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2132210020 is about 46175.8597104591. The cubic root of 2132210020 is about 1287.0931924925.

Adding to 2132210020 its reverse (200122312), we get a palindrome (2332332332).

The spelling of 2132210020 in words is "two billion, one hundred thirty-two million, two hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 5611079 11222158 22444316 28055395 56110790 106610501 112221580 213221002 426442004 533052505 1066105010 2132210020