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200202000020 = 225111019009991
BaseRepresentation
bin1011101001110011111…
…0000001011010010100
3201010202102101100102122
42322130332001122110
511240003203000040
6231545503355112
720315122631231
oct2723476013224
9633672340378
10200202000020
11779a589a870
12329732b2a98
1315b57126909
149992c64788
15531b0761b5
hex2e9cf81694

200202000020 has 48 divisors (see below), whose sum is σ = 463185668736. Its totient is φ = 72079920000.

The previous prime is 200202000007. The next prime is 200202000067. The reversal of 200202000020 is 20000202002.

200202000020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 200201999971 and 200202000007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4482776 + ... + 4527215.

It is an arithmetic number, because the mean of its divisors is an integer number (9649701432).

Almost surely, 2200202000020 is an apocalyptic number.

200202000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200202000020 is an abundant number, since it is smaller than the sum of its proper divisors (262983668716).

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

200202000020 is a wasteful number, since it uses less digits than its factorization.

200202000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9010112 (or 9010110 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

Adding to 200202000020 its reverse (20000202002), we get a palindrome (220202202022).

The spelling of 200202000020 in words is "two hundred billion, two hundred two million, twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 11 20 22 44 55 101 110 202 220 404 505 1010 1111 2020 2222 4444 5555 11110 22220 9009991 18019982 36039964 45049955 90099910 99109901 180199820 198219802 396439604 495549505 910009091 991099010 1820018182 1982198020 3640036364 4550045455 9100090910 10010100001 18200181820 20020200002 40040400004 50050500005 100101000010 200202000020