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2020964400 = 24325271331199
BaseRepresentation
bin111100001110101…
…0111100000110000
312012211210121222100
41320131113200300
513114331330100
6532312140400
7101036625330
oct17035274060
95184717870
102020964400
11947866514
12484997700
13262907730
141525950c0
15bc654400
hex78757830

2020964400 has 720 divisors, whose sum is σ = 8954982400. Its totient is φ = 410572800.

The previous prime is 2020964389. The next prime is 2020964417. The reversal of 2020964400 is 44690202.

It is a tau number, because it is divible by the number of its divisors (720).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 10155501 + ... + 10155699.

Almost surely, 22020964400 is an apocalyptic number.

2020964400 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 2020964400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4477491200).

2020964400 is an abundant number, since it is smaller than the sum of its proper divisors (6934018000).

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

2020964400 is a wasteful number, since it uses less digits than its factorization.

2020964400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2020964400 is about 44955.1376374269. The cubic root of 2020964400 is about 1264.3080052430.

The spelling of 2020964400 in words is "two billion, twenty million, nine hundred sixty-four thousand, four hundred".