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1020350112420 = 223547361826281
BaseRepresentation
bin11101101100100011001…
…10110010001010100100
310121112200221202020200110
432312101212302022210
5113204134112044140
62100424204013020
7133501140565602
oct16662146621244
93545627666613
101020350112420
11363801046621
12145901231170
13752ac368892
1437557028872
151b81d0de380
hexed919b22a4

1020350112420 has 48 divisors (see below), whose sum is σ = 2917767138048. Its totient is φ = 266304142080.

The previous prime is 1020350112391. The next prime is 1020350112437. The reversal of 1020350112420 is 242110530201.

It is a super-2 number, since 2×10203501124202 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180910321 + ... + 180915960.

It is an arithmetic number, because the mean of its divisors is an integer number (60786815376).

Almost surely, 21020350112420 is an apocalyptic number.

1020350112420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020350112420 is an abundant number, since it is smaller than the sum of its proper divisors (1897417025628).

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

1020350112420 is a wasteful number, since it uses less digits than its factorization.

1020350112420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361826340 (or 361826338 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 1020350112420 its reverse (242110530201), we get a palindrome (1262460642621).

The spelling of 1020350112420 in words is "one trillion, twenty billion, three hundred fifty million, one hundred twelve thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 47 60 94 141 188 235 282 470 564 705 940 1410 2820 361826281 723652562 1085478843 1447305124 1809131405 2170957686 3618262810 4341915372 5427394215 7236525620 10854788430 17005835207 21709576860 34011670414 51017505621 68023340828 85029176035 102035011242 170058352070 204070022484 255087528105 340116704140 510175056210 1020350112420