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220202102020 = 22579139368419
BaseRepresentation
bin1100110100010100010…
…0010110110100000100
3210001101021002210121011
43031011010112310010
512101433214231040
6245054235132004
721623545661425
oct3150504266404
9701337083534
10220202102020
118542938948a
12368152a4004
13179c3838ab4
14a92d17564c
155adbd123ea
hex3345116d04

220202102020 has 24 divisors (see below), whose sum is σ = 468277891200. Its totient is φ = 86965892832.

The previous prime is 220202101993. The next prime is 220202102089. The reversal of 220202102020 is 20201202022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69682630 + ... + 69685789.

It is an arithmetic number, because the mean of its divisors is an integer number (19511578800).

Almost surely, 2220202102020 is an apocalyptic number.

220202102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220202102020 is an abundant number, since it is smaller than the sum of its proper divisors (248075789180).

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

220202102020 is a wasteful number, since it uses less digits than its factorization.

220202102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139368507 (or 139368505 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 220202102020 its reverse (20201202022), we get a palindrome (240403304042).

The spelling of 220202102020 in words is "two hundred twenty billion, two hundred two million, one hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 79 158 316 395 790 1580 139368419 278736838 557473676 696842095 1393684190 2787368380 11010105101 22020210202 44040420404 55050525505 110101051010 220202102020