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20010404100000 = 25355379175993
BaseRepresentation
bin1001000110011000010010…
…00001110011011110100000
32121211222100110121112202210
410203030021001303132200
510110322301422200000
6110320352554042120
74133463316302636
oct443141101633640
977758313545683
1020010404100000
116415401498396
1222b2197a19340
13b21c85919a22
144d2719d31356
1524a7b3467350
hex1233090737a0

20010404100000 has 288 divisors, whose sum is σ = 65828542328640. Its totient is φ = 5321998080000.

The previous prime is 20010404099993. The next prime is 20010404100017. The reversal of 20010404100000 is 140401002.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113612004 + ... + 113787996.

It is an arithmetic number, because the mean of its divisors is an integer number (228571327530).

Almost surely, 220010404100000 is an apocalyptic number.

20010404100000 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 20010404100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32914271164320).

20010404100000 is an abundant number, since it is smaller than the sum of its proper divisors (45818138228640).

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

20010404100000 is an equidigital number, since it uses as much as digits as its factorization.

20010404100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176410 (or 176382 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20010404100000 its reverse (140401002), we get a palindrome (20010544501002).

The spelling of 20010404100000 in words is "twenty trillion, ten billion, four hundred four million, one hundred thousand".