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30322000020 = 2235131716314029
BaseRepresentation
bin11100001111010101…
…010000000010010100
32220021012012012100210
4130033111100002110
5444044413000040
621532453405420
72122256514264
oct341725200224
986235165323
1030322000020
111194aa84454
125a62939870
132b22cc6760
1416791077a4
15bc7031480
hex70f550094

30322000020 has 192 divisors, whose sum is σ = 97411749120. Its totient is φ = 6981230592.

The previous prime is 30321999991. The next prime is 30322000073. The reversal of 30322000020 is 2000022303.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 2154366 + ... + 2168394.

It is an arithmetic number, because the mean of its divisors is an integer number (507352860).

Almost surely, 230322000020 is an apocalyptic number.

30322000020 is a gapful number since it is divisible by the number (30) 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 30322000020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48705874560).

30322000020 is an abundant number, since it is smaller than the sum of its proper divisors (67089749100).

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

30322000020 is a wasteful number, since it uses less digits than its factorization.

30322000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14234 (or 14232 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

Adding to 30322000020 its reverse (2000022303), we get a palindrome (32322022323).

The spelling of 30322000020 in words is "thirty billion, three hundred twenty-two million, twenty", and thus it is an aban number.