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20012202010 = 2519170961631
BaseRepresentation
bin10010101000110100…
…011111100000011010
31220122200111012021001
4102220310133200122
5311441110431020
613105442535214
71305630624163
oct225064374032
956580435231
1020012202010
11853a403629
123a6606750a
131b6c08a868
14d7bb8076a
157c1d7b50a
hex4a8d1f81a

20012202010 has 32 divisors (see below), whose sum is σ = 37940659200. Its totient is φ = 7579010880.

The previous prime is 20012201983. The next prime is 20012202011. The reversal of 20012202010 is 1020221002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (20012202011) 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, 293895 + ... + 355525.

It is an arithmetic number, because the mean of its divisors is an integer number (1185645600).

Almost surely, 220012202010 is an apocalyptic number.

20012202010 is a deficient number, since it is larger than the sum of its proper divisors (17928457190).

20012202010 is a wasteful number, since it uses less digits than its factorization.

20012202010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63366.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20012202010 its reverse (1020221002), we get a palindrome (21032423012).

The spelling of 20012202010 in words is "twenty billion, twelve million, two hundred two thousand, ten".

Divisors: 1 2 5 10 19 38 95 190 1709 3418 8545 17090 32471 61631 64942 123262 162355 308155 324710 616310 1170989 2341978 5854945 11709890 105327379 210654758 526636895 1053273790 2001220201 4002440402 10006101005 20012202010