Search a number
-
+
220212111020 = 225115119195539
BaseRepresentation
bin1100110100010110101…
…0100010011010101100
3210001101221221022100212
43031011222202122230
512101443300023040
6245055233441552
721624030026246
oct3150552423254
9701357838325
10220212111020
1185433aa5390
12368187102b8
13179c5931795
14a93061d096
155adcb3cd65
hex3345aa26ac

220212111020 has 48 divisors (see below), whose sum is σ = 504587059200. Its totient is φ = 80061078720.

The previous prime is 220212110981. The next prime is 220212111061. The reversal of 220212111020 is 20111212022.

It is a junction number, because it is equal to n+sod(n) for n = 220212110986 and 220212111004.

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, 1028411 + ... + 1223949.

It is an arithmetic number, because the mean of its divisors is an integer number (10512230400).

Almost surely, 2220212111020 is an apocalyptic number.

220212111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220212111020 is an abundant number, since it is smaller than the sum of its proper divisors (284374948180).

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

220212111020 is a wasteful number, since it uses less digits than its factorization.

220212111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200678 (or 200676 counting only the distinct ones).

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

Adding to 220212111020 its reverse (20111212022), we get a palindrome (240323323042).

The spelling of 220212111020 in words is "two hundred twenty billion, two hundred twelve million, one hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 5119 10238 20476 25595 51190 56309 102380 112618 195539 225236 281545 391078 563090 782156 977695 1126180 1955390 2150929 3910780 4301858 8603716 10754645 21509290 43018580 1000964141 2001928282 4003856564 5004820705 10009641410 11010605551 20019282820 22021211102 44042422204 55053027755 110106055510 220212111020