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20035152220 = 2255373258919
BaseRepresentation
bin10010101010001100…
…000010100101011100
31220201021200012000211
4102222030002211130
5312012444332340
613112022502204
71306326661336
oct225214024534
956637605024
1020035152220
118551359446
123a71894964
131b73a64a75
14d80c36456
157c3db15ea
hex4aa30295c

20035152220 has 48 divisors (see below), whose sum is σ = 43455061440. Its totient is φ = 7755111936.

The previous prime is 20035152211. The next prime is 20035152227. The reversal of 20035152220 is 2225153002.

It is a junction number, because it is equal to n+sod(n) for n = 20035152191 and 20035152200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20035152227) 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, 52080 + ... + 206839.

It is an arithmetic number, because the mean of its divisors is an integer number (905313780).

Almost surely, 220035152220 is an apocalyptic number.

20035152220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20035152220 is an abundant number, since it is smaller than the sum of its proper divisors (23419909220).

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

20035152220 is a wasteful number, since it uses less digits than its factorization.

20035152220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259054 (or 259052 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The spelling of 20035152220 in words is "twenty billion, thirty-five million, one hundred fifty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 53 73 106 146 212 265 292 365 530 730 1060 1460 3869 7738 15476 19345 38690 77380 258919 517838 1035676 1294595 2589190 5178380 13722707 18901087 27445414 37802174 54890828 68613535 75604348 94505435 137227070 189010870 274454140 378021740 1001757611 2003515222 4007030444 5008788055 10017576110 20035152220