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2008074020 = 225100403701
BaseRepresentation
bin111011110110000…
…1100011100100100
312011221112201200212
41313230030130210
513103031332040
6531131554552
7100522230131
oct16754143444
95157481625
102008074020
11940561807
124805bba58
132600433a4
1415099b588
15bb459d65
hex77b0c724

2008074020 has 12 divisors (see below), whose sum is σ = 4216955484. Its totient is φ = 803229600.

The previous prime is 2008074001. The next prime is 2008074031. The reversal of 2008074020 is 204708002.

It can be written as a sum of positive squares in 2 ways, for example, as 1132860964 + 875213056 = 33658^2 + 29584^2 .

It is a super-2 number, since 2×20080740202 = 8064722539597920800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50201831 + ... + 50201870.

It is an arithmetic number, because the mean of its divisors is an integer number (351412957).

Almost surely, 22008074020 is an apocalyptic number.

2008074020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2008074020 is an abundant number, since it is smaller than the sum of its proper divisors (2208881464).

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

2008074020 is a wasteful number, since it uses less digits than its factorization.

2008074020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100403710 (or 100403708 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 2008074020 is about 44811.5389157748. The cubic root of 2008074020 is about 1261.6142114573.

The spelling of 2008074020 in words is "two billion, eight million, seventy-four thousand, twenty".

Divisors: 1 2 4 5 10 20 100403701 200807402 401614804 502018505 1004037010 2008074020