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375020020 = 225311075653
BaseRepresentation
bin10110010110100…
…101100111110100
3222010122222202101
4112112211213310
51232001120040
6101113551444
712202421554
oct2626454764
9863588671
10375020020
11182764101
12a5715584
135c90654b
1437b41164
1522dcc09a
hex165a59f4

375020020 has 48 divisors (see below), whose sum is σ = 820689408. Its totient is φ = 143786880.

The previous prime is 375019961. The next prime is 375020029. The reversal of 375020020 is 20020573.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 375020020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (375020029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63514 + ... + 69166.

It is an arithmetic number, because the mean of its divisors is an integer number (17097696).

Almost surely, 2375020020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 375020020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410344704).

375020020 is an abundant number, since it is smaller than the sum of its proper divisors (445669388).

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

375020020 is a wasteful number, since it uses less digits than its factorization.

375020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5800 (or 5798 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 375020020 is about 19365.4336383155. The cubic root of 375020020 is about 721.1376177415.

Adding to 375020020 its reverse (20020573), we get a palindrome (395040593).

The spelling of 375020020 in words is "three hundred seventy-five million, twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 107 124 155 214 310 428 535 620 1070 2140 3317 5653 6634 11306 13268 16585 22612 28265 33170 56530 66340 113060 175243 350486 604871 700972 876215 1209742 1752430 2419484 3024355 3504860 6048710 12097420 18751001 37502002 75004004 93755005 187510010 375020020