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122000220020 = 22577309119227
BaseRepresentation
bin111000110011111000…
…1111001111101110100
3102122220101221022112102
41301213301321331310
53444324024020040
6132013544041232
711546164521440
oct1614761717564
9378811838472
10122000220020
1147815a42018
121b789763218
13b67370a903
145c94c5b820
1532908ad515
hex1c67c79f74

122000220020 has 48 divisors (see below), whose sum is σ = 292843044480. Its totient is φ = 41822573184.

The previous prime is 122000220011. The next prime is 122000220037. The reversal of 122000220020 is 20022000221.

It is a junction number, because it is equal to n+sod(n) for n = 122000219983 and 122000220010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 963647 + ... + 1082873.

It is an arithmetic number, because the mean of its divisors is an integer number (6100896760).

Almost surely, 2122000220020 is an apocalyptic number.

122000220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122000220020 is an abundant number, since it is smaller than the sum of its proper divisors (170842824460).

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

122000220020 is a wasteful number, since it uses less digits than its factorization.

122000220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126552 (or 126550 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 122000220020 its reverse (20022000221), we get a palindrome (142022220241).

The spelling of 122000220020 in words is "one hundred twenty-two billion, two hundred twenty thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 7309 14618 29236 36545 51163 73090 102326 119227 146180 204652 238454 255815 476908 511630 596135 834589 1023260 1192270 1669178 2384540 3338356 4172945 8345890 16691780 871430143 1742860286 3485720572 4357150715 6100011001 8714301430 12200022002 17428602860 24400044004 30500055005 61000110010 122000220020