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20232000420 = 2235337200007
BaseRepresentation
bin10010110101111010…
…111101001110100100
31221020000002002222220
4102311322331032210
5312413343003140
613143333552340
71314240110652
oct226572751644
957200062886
1020232000420
118642489405
123b077a56b0
131ba57875a8
14d9d037dd2
157d62e6bd0
hex4b5ebd3a4

20232000420 has 24 divisors (see below), whose sum is σ = 56649601344. Its totient is φ = 5395200096.

The previous prime is 20232000389. The next prime is 20232000431. The reversal of 20232000420 is 2400023202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20232000420.

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, 168599944 + ... + 168600063.

It is an arithmetic number, because the mean of its divisors is an integer number (2360400056).

Almost surely, 220232000420 is an apocalyptic number.

20232000420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20232000420 is an abundant number, since it is smaller than the sum of its proper divisors (36417600924).

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

20232000420 is a wasteful number, since it uses less digits than its factorization.

20232000420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337200019 (or 337200017 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

Adding to 20232000420 its reverse (2400023202), we get a palindrome (22632023622).

The spelling of 20232000420 in words is "twenty billion, two hundred thirty-two million, four hundred twenty", and thus it is an aban number.

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 337200007 674400014 1011600021 1348800028 1686000035 2023200042 3372000070 4046400084 5058000105 6744000140 10116000210 20232000420