Search a number
-
+
20301221404 = 2243118030357
BaseRepresentation
bin10010111010000011…
…000000111000011100
31221101211022220100001
4102322003000320130
5313034103041104
613154245344044
71316040351262
oct227203007034
957354286301
1020301221404
118678568132
123b26a08024
131bb6c12659
14da82d6432
157dc41baa4
hex4ba0c0e1c

20301221404 has 12 divisors (see below), whose sum is σ = 36353350264. Its totient is φ = 9914549904.

The previous prime is 20301221401. The next prime is 20301221417. The reversal of 20301221404 is 40412210302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301221401) 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, 59015007 + ... + 59015350.

Almost surely, 220301221404 is an apocalyptic number.

It is an amenable number.

20301221404 is a deficient number, since it is larger than the sum of its proper divisors (16052128860).

20301221404 is a wasteful number, since it uses less digits than its factorization.

20301221404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118030404 (or 118030402 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20301221404 its reverse (40412210302), we get a palindrome (60713431706).

The spelling of 20301221404 in words is "twenty billion, three hundred one million, two hundred twenty-one thousand, four hundred four".

Divisors: 1 2 4 43 86 172 118030357 236060714 472121428 5075305351 10150610702 20301221404