Search a number
-
+
210222001023020 = 22576489123140123
BaseRepresentation
bin101111110011001000011111…
…101100011110100000101100
31000120100000201200221202200122
4233303020133230132200230
5210023234124230214040
62023034353134544112
762165016105355310
oct5763103754364054
91016300650852618
10210222001023020
1160a8a717112818
121b6b2522968038
13903bb0785608c
1439cab28b9db40
151948553bd81b5
hexbf321fb1e82c

210222001023020 has 48 divisors (see below), whose sum is σ = 504540599340288. Its totient is φ = 72075000795840.

The previous prime is 210222001022963. The next prime is 210222001023029. The reversal of 210222001023020 is 20320100222012.

It is a self number, because there is not a number n which added to its sum of digits gives 210222001023020.

It is not an unprimeable number, because it can be changed into a prime (210222001023029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2485322 + ... + 20654801.

It is an arithmetic number, because the mean of its divisors is an integer number (10511262486256).

Almost surely, 2210222001023020 is an apocalyptic number.

210222001023020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210222001023020 is an abundant number, since it is smaller than the sum of its proper divisors (294318598317268).

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

210222001023020 is a wasteful number, since it uses less digits than its factorization.

210222001023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23205030 (or 23205028 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 210222001023020 its reverse (20320100222012), we get a palindrome (230542101245032).

The spelling of 210222001023020 in words is "two hundred ten trillion, two hundred twenty-two billion, one million, twenty-three thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 64891 129782 259564 324455 454237 648910 908474 1297820 1816948 2271185 4542370 9084740 23140123 46280246 92560492 115700615 161980861 231401230 323961722 462802460 647923444 809904305 1619808610 3239617220 1501585721593 3003171443186 6006342886372 7507928607965 10511100051151 15015857215930 21022200102302 30031714431860 42044400204604 52555500255755 105111000511510 210222001023020