Search a number
-
+
20022020120 = 235500550503
BaseRepresentation
bin10010101001011001…
…111100100000011000
31220200100222000011202
4102221121330200120
5312001114120440
613110433213332
71306110235334
oct225131744030
956610860152
1020022020120
1185449aa073
123a69401248
131b711176ab
14d7d1b87c4
157c2b6a615
hex4a967c818

20022020120 has 16 divisors (see below), whose sum is σ = 45049545360. Its totient is φ = 8008808032.

The previous prime is 20022020111. The next prime is 20022020131. The reversal of 20022020120 is 2102022002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250275212 + ... + 250275291.

It is an arithmetic number, because the mean of its divisors is an integer number (2815596585).

Almost surely, 220022020120 is an apocalyptic number.

20022020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022020120 is an abundant number, since it is smaller than the sum of its proper divisors (25027525240).

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

20022020120 is a wasteful number, since it uses less digits than its factorization.

20022020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500550514 (or 500550510 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20022020120 its reverse (2102022002), we get a palindrome (22124042122).

The spelling of 20022020120 in words is "twenty billion, twenty-two million, twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 500550503 1001101006 2002202012 2502752515 4004404024 5005505030 10011010060 20022020120