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20010032000 = 27537225523
BaseRepresentation
bin10010101000101100…
…001101101110000000
31220122112101221120022
4102220230031232000
5311440032011000
613105324233012
71305603315500
oct225054155600
956575357508
1020010032000
118539161232
123a6539b768
131b6b7aac2a
14d7b777a00
157c1a9d585
hex4a8b0db80

20010032000 has 192 divisors, whose sum is σ = 57874649040. Its totient is φ = 6860313600.

The previous prime is 20010031999. The next prime is 20010032051. The reversal of 20010032000 is 23001002.

It is a super-3 number, since 3×200100320003 (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 771239 + ... + 796761.

Almost surely, 220010032000 is an apocalyptic number.

20010032000 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 20010032000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28937324520).

20010032000 is an abundant number, since it is smaller than the sum of its proper divisors (37864617040).

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

20010032000 is an equidigital number, since it uses as much as digits as its factorization.

20010032000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25566 (or 25537 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

Adding to 20010032000 its reverse (23001002), we get a palindrome (20033033002).

The spelling of 20010032000 in words is "twenty billion, ten million, thirty-two thousand".