Search a number
-
+
20213331233020 = 22519131406053259
BaseRepresentation
bin1001001100010010010000…
…11011011000100011111100
32122120101010210210222220021
410212021020123120203330
510122133400243424040
6110553513130501524
74154236122415312
oct446111033304374
978511123728807
1020213331233020
11649347557a992
12232558b8948a4
13b381554b9973
144dc48aa8c0b2
15250bdd88a24a
hex1262486d88fc

20213331233020 has 48 divisors (see below), whose sum is σ = 45023185468800. Its totient is φ = 7601316989760.

The previous prime is 20213331233009. The next prime is 20213331233143. The reversal of 20213331233020 is 2033213331202.

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, 202976850 + ... + 203076409.

It is an arithmetic number, because the mean of its divisors is an integer number (937983030600).

Almost surely, 220213331233020 is an apocalyptic number.

20213331233020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20213331233020 is an abundant number, since it is smaller than the sum of its proper divisors (24809854235780).

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

20213331233020 is a wasteful number, since it uses less digits than its factorization.

20213331233020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406053418 (or 406053416 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 20213331233020 its reverse (2033213331202), we get a palindrome (22246544564222).

The spelling of 20213331233020 in words is "twenty trillion, two hundred thirteen billion, three hundred thirty-one million, two hundred thirty-three thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 131 190 262 380 524 655 1310 2489 2620 4978 9956 12445 24890 49780 406053259 812106518 1624213036 2030266295 4060532590 7715011921 8121065180 15430023842 30860047684 38575059605 53192976929 77150119210 106385953858 154300238420 212771907716 265964884645 531929769290 1010666561651 1063859538580 2021333123302 4042666246604 5053332808255 10106665616510 20213331233020