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10220221001020 = 2253147350728243
BaseRepresentation
bin1001010010111001010010…
…1001000110110100111100
31100012001011202220012222111
42110232110221012310330
52314422003034013040
633423034341223404
72103246414101122
oct224562451066474
940161152805874
1010220221001020
11329040a350608
1211908b7401b64
135919bb880554
142749389c3912
1512acb8739dea
hex94b94a46d3c

10220221001020 has 48 divisors (see below), whose sum is σ = 22626180476928. Its totient is φ = 3872039791680.

The previous prime is 10220221000963. The next prime is 10220221001047. The reversal of 10220221001020 is 2010012202201.

It is a happy number.

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, 175334982 + ... + 175393261.

It is an arithmetic number, because the mean of its divisors is an integer number (471378759936).

Almost surely, 210220221001020 is an apocalyptic number.

10220221001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10220221001020 is an abundant number, since it is smaller than the sum of its proper divisors (12405959475908).

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

10220221001020 is a wasteful number, since it uses less digits than its factorization.

10220221001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350728330 (or 350728328 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10220221001020 its reverse (2010012202201), we get a palindrome (12230233203221).

The spelling of 10220221001020 in words is "ten trillion, two hundred twenty billion, two hundred twenty-one million, one thousand, twenty".

Divisors: 1 2 4 5 10 20 31 47 62 94 124 155 188 235 310 470 620 940 1457 2914 5828 7285 14570 29140 350728243 701456486 1402912972 1753641215 3507282430 7014564860 10872575533 16484227421 21745151066 32968454842 43490302132 54362877665 65936909684 82421137105 108725755330 164842274210 217451510660 329684548420 511011050051 1022022100102 2044044200204 2555055250255 5110110500510 10220221001020