Search a number
-
+
20102220220023 = 3229251306852593
BaseRepresentation
bin1001001001000011010011…
…01100100000011001110111
32122011202100021211201012200
410210201221230200121313
510113323321334020043
6110430455452115543
74143223520403024
oct444415154403167
978152307751180
1020102220220023
116450338283317
122307b40a65bb3
13b2a828a84426
144d6d4a10054b
1524cd88e837d3
hex124869b20677

20102220220023 has 24 divisors (see below), whose sum is σ = 30157472938320. Its totient is φ = 12887808864000.

The previous prime is 20102220219997. The next prime is 20102220220091. The reversal of 20102220220023 is 32002202220102.

20102220220023 is a `hidden beast` number, since 201 + 0 + 2 + 220 + 220 + 0 + 23 = 666.

It is not a de Polignac number, because 20102220220023 - 222 = 20102216025719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20102220219978 and 20102220220005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102220222023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153360786 + ... + 153491807.

It is an arithmetic number, because the mean of its divisors is an integer number (1256561372430).

Almost surely, 220102220220023 is an apocalyptic number.

20102220220023 is a deficient number, since it is larger than the sum of its proper divisors (10055252718297).

20102220220023 is a wasteful number, since it uses less digits than its factorization.

20102220220023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306852879 (or 306852876 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20102220220023 its reverse (32002202220102), we get a palindrome (52104422440125).

The spelling of 20102220220023 in words is "twenty trillion, one hundred two billion, two hundred twenty million, two hundred twenty thousand, twenty-three".

Divisors: 1 3 9 29 87 251 261 753 2259 7279 21837 65511 306852593 920557779 2761673337 8898725197 26696175591 77020000843 80088526773 231060002529 693180007587 2233580024447 6700740073341 20102220220023