Search a number
-
+
102202110200020 = 22519368047730757
BaseRepresentation
bin10111001111001111001000…
…011110010100100011010100
3111101212102111210011022222111
4113033033020132110203110
5101343434410202400040
61001211000134440404
730345600365043055
oct2717171036244324
9441772453138874
10102202110200020
112a623742893716
12b567553b03104
134504804c48c3c
141b34873b2672c
15bc37a1100dea
hex5cf3c87948d4

102202110200020 has 48 divisors (see below), whose sum is σ = 225921377122560. Its totient is φ = 38729062479744.

The previous prime is 102202110199999. The next prime is 102202110200041. The reversal of 102202110200020 is 20002011202201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102202110199999) and next prime (102202110200041).

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, 139492482 + ... + 140223238.

It is an arithmetic number, because the mean of its divisors is an integer number (4706695356720).

Almost surely, 2102202110200020 is an apocalyptic number.

102202110200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102202110200020 is an abundant number, since it is smaller than the sum of its proper divisors (123719266922540).

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

102202110200020 is a wasteful number, since it uses less digits than its factorization.

102202110200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098832 (or 1098830 counting only the distinct ones).

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

Adding to 102202110200020 its reverse (20002011202201), we get a palindrome (122204121402221).

The spelling of 102202110200020 in words is "one hundred two trillion, two hundred two billion, one hundred ten million, two hundred thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 368047 730757 736094 1461514 1472188 1840235 2923028 3653785 3680470 6992893 7307570 7360940 13884383 13985786 14615140 27768766 27971572 34964465 55537532 69421915 69928930 138843830 139857860 277687660 268952921579 537905843158 1075811686316 1344764607895 2689529215790 5110105510001 5379058431580 10220211020002 20440422040004 25550527550005 51101055100010 102202110200020