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2020502400 = 273527107281
BaseRepresentation
bin111100001101110…
…0110101110000000
312012210221011020020
41320123212232000
513114222034100
6532254213440
7101032662360
oct17033465600
95183834206
102020502400
119475803a4
124847b4280
132627a5367
141524b49a0
15bc5b25a0
hex786e6b80

2020502400 has 384 divisors, whose sum is σ = 7704149760. Its totient is φ = 455884800.

The previous prime is 2020502399. The next prime is 2020502423. The reversal of 2020502400 is 42050202.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2020502400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7190260 + ... + 7190540.

It is an arithmetic number, because the mean of its divisors is an integer number (20062890).

Almost surely, 22020502400 is an apocalyptic number.

2020502400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020502400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3852074880).

2020502400 is an abundant number, since it is smaller than the sum of its proper divisors (5683647360).

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

2020502400 is a wasteful number, since it uses less digits than its factorization.

2020502400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 2020502400 is about 44949.9988876529. The cubic root of 2020502400 is about 1264.2116560588.

Adding to 2020502400 its reverse (42050202), we get a palindrome (2062552602).

The spelling of 2020502400 in words is "two billion, twenty million, five hundred two thousand, four hundred".