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20233445200 = 245299151043
BaseRepresentation
bin10010110110000000…
…011101111101010000
31221020002210111212021
4102312000131331100
5312414230221300
613143424541224
71314255306103
oct226600357520
957202714767
1020233445200
118643285941
123b08181814
131ba5b720a7
14d9d2d273a
157d64ced1a
hex4b601df50

20233445200 has 60 divisors (see below), whose sum is σ = 48660857728. Its totient is φ = 8085052800.

The previous prime is 20233445189. The next prime is 20233445213. The reversal of 20233445200 is 254433202.

It is a super-2 number, since 2×202334452002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 370879 + ... + 421921.

Almost surely, 220233445200 is an apocalyptic number.

20233445200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20233445200 is an abundant number, since it is smaller than the sum of its proper divisors (28427412528).

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

20233445200 is a wasteful number, since it uses less digits than its factorization.

20233445200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52052 (or 52041 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 20233445200 its reverse (254433202), we get a palindrome (20487878402).

The spelling of 20233445200 in words is "twenty billion, two hundred thirty-three million, four hundred forty-five thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 991 1982 3964 4955 7928 9910 15856 19820 24775 39640 49550 51043 79280 99100 102086 198200 204172 255215 396400 408344 510430 816688 1020860 1276075 2041720 2552150 4083440 5104300 10208600 20417200 50583613 101167226 202334452 252918065 404668904 505836130 809337808 1011672260 1264590325 2023344520 2529180650 4046689040 5058361300 10116722600 20233445200