Search a number
-
+
20554202324 = 225219862861
BaseRepresentation
bin10011001001001000…
…000011110011010100
31222001110100122220202
4103021020003303110
5314043333433244
613235323520032
71325231560055
oct231110036324
958043318822
1020554202324
118798347477
123b97689018
131c27459ac6
14dcdb4a72c
1580473e04e
hex4c9203cd4

20554202324 has 12 divisors (see below), whose sum is σ = 36038897748. Its totient is φ = 10257374400.

The previous prime is 20554202323. The next prime is 20554202377. The reversal of 20554202324 is 42320245502.

It can be written as a sum of positive squares in 2 ways, for example, as 8175414724 + 12378787600 = 90418^2 + 111260^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20554202323) 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, 4929347 + ... + 4933514.

It is an arithmetic number, because the mean of its divisors is an integer number (3003241479).

Almost surely, 220554202324 is an apocalyptic number.

It is an amenable number.

20554202324 is a deficient number, since it is larger than the sum of its proper divisors (15484695424).

20554202324 is a wasteful number, since it uses less digits than its factorization.

20554202324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9863386 (or 9863384 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 20554202324 its reverse (42320245502), we get a palindrome (62874447826).

The spelling of 20554202324 in words is "twenty billion, five hundred fifty-four million, two hundred two thousand, three hundred twenty-four".

Divisors: 1 2 4 521 1042 2084 9862861 19725722 39451444 5138550581 10277101162 20554202324