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2020021030 = 252416911213
BaseRepresentation
bin111100001100111…
…0001001100100110
312012210000200220201
41320121301030212
513114111133110
6532240021114
7101025616066
oct17031611446
95183020821
102020021030
11947281775
1248460179a
13262667221
141523cb3a6
15bc519b3a
hex78671326

2020021030 has 32 divisors (see below), whose sum is σ = 3659423328. Its totient is φ = 802828800.

The previous prime is 2020021009. The next prime is 2020021057. The reversal of 2020021030 is 301200202.

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

It is a junction number, because it is equal to n+sod(n) for n = 2020020998 and 2020021016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1664704 + ... + 1665916.

It is an arithmetic number, because the mean of its divisors is an integer number (114356979).

Almost surely, 22020021030 is an apocalyptic number.

2020021030 is a deficient number, since it is larger than the sum of its proper divisors (1639402298).

2020021030 is a wasteful number, since it uses less digits than its factorization.

2020021030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2020021030 is about 44944.6440635589. The cubic root of 2020021030 is about 1264.1112516743. Note that the first 3 decimals are identical.

Adding to 2020021030 its reverse (301200202), we get a palindrome (2321221232).

The spelling of 2020021030 in words is "two billion, twenty million, twenty-one thousand, thirty".

Divisors: 1 2 5 10 241 482 691 1205 1213 1382 2410 2426 3455 6065 6910 12130 166531 292333 333062 584666 832655 838183 1461665 1665310 1676366 2923330 4190915 8381830 202002103 404004206 1010010515 2020021030