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20074625360 = 245318094607
BaseRepresentation
bin10010101100100010…
…100111100101010000
31220211000221121222222
4102230202213211100
5312103101002420
613115552520212
71310316333356
oct225442474520
956730847888
1020074625360
11857166a179
123a82b50068
131b7bca585a
14d8618d7d6
157c75ac225
hex4ac8a7950

20074625360 has 40 divisors (see below), whose sum is σ = 48179106816. Its totient is φ = 7770821760.

The previous prime is 20074625357. The next prime is 20074625387. The reversal of 20074625360 is 6352647002.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 20074625360.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4044824 + ... + 4049783.

Almost surely, 220074625360 is an apocalyptic number.

20074625360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20074625360 is an abundant number, since it is smaller than the sum of its proper divisors (28104481456).

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

20074625360 is a wasteful number, since it uses less digits than its factorization.

20074625360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8094651 (or 8094645 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The spelling of 20074625360 in words is "twenty billion, seventy-four million, six hundred twenty-five thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 31 40 62 80 124 155 248 310 496 620 1240 2480 8094607 16189214 32378428 40473035 64756856 80946070 129513712 161892140 250932817 323784280 501865634 647568560 1003731268 1254664085 2007462536 2509328170 4014925072 5018656340 10037312680 20074625360