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23301320020 = 22511452323417
BaseRepresentation
bin10101101100110111…
…011110110101010100
32020010220112200221121
4111230313132311110
5340210114220040
614412100053324
71453266644416
oct255467366524
966126480847
1023301320020
119977a95680
124623694244
13227462ca34
1411b09269b6
159159cec4a
hex56cdded54

23301320020 has 48 divisors (see below), whose sum is σ = 53395288128. Its totient is φ = 8470972160.

The previous prime is 23301319999. The next prime is 23301320027. The reversal of 23301320020 is 2002310332.

It is a junction number, because it is equal to n+sod(n) for n = 23301319976 and 23301320003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23301320027) 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, 983352 + ... + 1006768.

It is an arithmetic number, because the mean of its divisors is an integer number (1112401836).

Almost surely, 223301320020 is an apocalyptic number.

23301320020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23301320020 is an abundant number, since it is smaller than the sum of its proper divisors (30093968108).

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

23301320020 is a wasteful number, since it uses less digits than its factorization.

23301320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27960 (or 27958 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 23301320020 its reverse (2002310332), we get a palindrome (25303630352).

The spelling of 23301320020 in words is "twenty-three billion, three hundred one million, three hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 4523 9046 18092 22615 23417 45230 46834 49753 90460 93668 99506 117085 199012 234170 248765 257587 468340 497530 515174 995060 1030348 1287935 2575870 5151740 105915091 211830182 423660364 529575455 1059150910 1165066001 2118301820 2330132002 4660264004 5825330005 11650660010 23301320020