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20240233400 = 2352971043311
BaseRepresentation
bin10010110110011010…
…010111001110111000
31221020120120101112002
4102312122113032320
5312422444432100
613144230240132
71314400100552
oct226632271670
957216511462
1020240233400
1186470a1a22
123b0a4b6048
131ba73aaa8a
14da017c4d2
157d6dc12d5
hex4b66973b8

20240233400 has 48 divisors (see below), whose sum is σ = 47543727840. Its totient is φ = 8012620800.

The previous prime is 20240233399. The next prime is 20240233477. The reversal of 20240233400 is 433204202.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 502256 + ... + 541055.

It is an arithmetic number, because the mean of its divisors is an integer number (990494330).

Almost surely, 220240233400 is an apocalyptic number.

20240233400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20240233400 is an abundant number, since it is smaller than the sum of its proper divisors (27303494440).

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

20240233400 is a wasteful number, since it uses less digits than its factorization.

20240233400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043424 (or 1043415 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 20240233400 its reverse (433204202), we get a palindrome (20673437602).

The spelling of 20240233400 in words is "twenty billion, two hundred forty million, two hundred thirty-three thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 97 100 194 200 388 485 776 970 1940 2425 3880 4850 9700 19400 1043311 2086622 4173244 5216555 8346488 10433110 20866220 26082775 41732440 52165550 101201167 104331100 202402334 208662200 404804668 506005835 809609336 1012011670 2024023340 2530029175 4048046680 5060058350 10120116700 20240233400