Search a number
-
+
20402301044 = 2249003104087
BaseRepresentation
bin10011000000000100…
…100110100001110100
31221122212112021112102
4103000010212201310
5313240442113134
613212300041232
71321405461146
oct230004464164
957585467472
1020402301044
11871a626824
123b54833218
131c01b436a8
14db78c8c96
157e623637e
hex4c0126874

20402301044 has 12 divisors (see below), whose sum is σ = 35705098464. Its totient is φ = 10200844344.

The previous prime is 20402301043. The next prime is 20402301047. The reversal of 20402301044 is 44010320402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20402301043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143969 + ... + 248055.

It is an arithmetic number, because the mean of its divisors is an integer number (2975424872).

Almost surely, 220402301044 is an apocalyptic number.

It is an amenable number.

20402301044 is a deficient number, since it is larger than the sum of its proper divisors (15302797420).

20402301044 is a wasteful number, since it uses less digits than its factorization.

20402301044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153094 (or 153092 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20402301044 its reverse (44010320402), we get a palindrome (64412621446).

The spelling of 20402301044 in words is "twenty billion, four hundred two million, three hundred one thousand, forty-four".

Divisors: 1 2 4 49003 98006 104087 196012 208174 416348 5100575261 10201150522 20402301044