Search a number
-
+
20342302044 = 22319547163109
BaseRepresentation
bin10010111100011111…
…101110010101011100
31221111200122000101020
4102330133232111130
5313130112131134
613202314044140
71320046500021
oct227437562534
957450560336
1020342302044
118699776679
123b38719650
131bc259701c
14dad94b548
157e0d33b49
hex4bc7ee55c

20342302044 has 48 divisors (see below), whose sum is σ = 50055196800. Its totient is φ = 6412101696.

The previous prime is 20342302003. The next prime is 20342302067. The reversal of 20342302044 is 44020324302.

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, 43162 + ... + 206270.

It is an arithmetic number, because the mean of its divisors is an integer number (1042816600).

Almost surely, 220342302044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20342302044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25027598400).

20342302044 is an abundant number, since it is smaller than the sum of its proper divisors (29712894756).

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

20342302044 is a wasteful number, since it uses less digits than its factorization.

20342302044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163682 (or 163680 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 20342302044 its reverse (44020324302), we get a palindrome (64362626346).

The spelling of 20342302044 in words is "twenty billion, three hundred forty-two million, three hundred two thousand, forty-four".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 547 1094 1641 2188 3282 6564 10393 20786 31179 41572 62358 124716 163109 326218 489327 652436 978654 1957308 3099071 6198142 9297213 12396284 18594426 37188852 89220623 178441246 267661869 356882492 535323738 1070647476 1695191837 3390383674 5085575511 6780767348 10171151022 20342302044