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20000202000 = 2435323373917
BaseRepresentation
bin10010101000000110…
…101101110100010000
31220121211220112100020
4102220012231310100
5311430022431000
613104333423440
71305423624552
oct225006556420
956554815306
1020000202000
118533657869
123a6203ab80
131b6974886c
14d7a3394d2
157c0caaba0
hex4a81add10

20000202000 has 320 divisors, whose sum is σ = 69120290304. Its totient is φ = 4962355200.

The previous prime is 20000201993. The next prime is 20000202049. The reversal of 20000202000 is 20200002.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a self number, because there is not a number n which added to its sum of digits gives 20000202000.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5104042 + ... + 5107958.

Almost surely, 220000202000 is an apocalyptic number.

20000202000 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 20000202000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34560145152).

20000202000 is an abundant number, since it is smaller than the sum of its proper divisors (49120088304).

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

20000202000 is a wasteful number, since it uses less digits than its factorization.

20000202000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4003 (or 3987 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 6.

Adding to 20000202000 its reverse (20200002), we get a palindrome (20020402002).

The spelling of 20000202000 in words is "twenty billion, two hundred two thousand".