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1020221012210 = 25268633797867
BaseRepresentation
bin11101101100010011110…
…10010011100011110010
310121112100221211021111012
432312021322103203302
5113203403034342320
62100403312550522
7133465012343261
oct16661172234362
93545327737435
101020221012210
11363745189734
12145885b52442
137528b6a681a
1437543c205d8
151b811adc4c5
hexed89e938f2

1020221012210 has 16 divisors (see below), whose sum is σ = 1836466667136. Its totient is φ = 408073105968.

The previous prime is 1020221012207. The next prime is 1020221012219. The reversal of 1020221012210 is 122101220201.

It is not an unprimeable number, because it can be changed into a prime (1020221012219) 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, 1630304 + ... + 2167563.

It is an arithmetic number, because the mean of its divisors is an integer number (114779166696).

Almost surely, 21020221012210 is an apocalyptic number.

1020221012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020221012210 is a deficient number, since it is larger than the sum of its proper divisors (816245654926).

1020221012210 is a wasteful number, since it uses less digits than its factorization.

1020221012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3824737.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1020221012210 its reverse (122101220201), we get a palindrome (1142322232411).

The spelling of 1020221012210 in words is "one trillion, twenty billion, two hundred twenty-one million, twelve thousand, two hundred ten".

Divisors: 1 2 5 10 26863 53726 134315 268630 3797867 7595734 18989335 37978670 102022101221 204044202442 510110506105 1020221012210