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1020201010000 = 24541931173209
BaseRepresentation
bin11101101100010001011…
…10000000001101010000
310121112022120012001121121
432312020232000031100
5113203332424310000
62100401320132024
7133464350334634
oct16661056001520
93545276161547
101020201010000
11363734967787
1214587b307014
13752874c23b3
14375412d4dc4
151b80ee8ab1a
hexed88b80350

1020201010000 has 200 divisors, whose sum is σ = 2683895878400. Its totient is φ = 374129280000.

The previous prime is 1020201009917. The next prime is 1020201010007. The reversal of 1020201010000 is 101020201.

It is a tau number, because it is divible by the number of its divisors (200).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020201010007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5803396 + ... + 5976604.

It is an arithmetic number, because the mean of its divisors is an integer number (13419479392).

Almost surely, 21020201010000 is an apocalyptic number.

1020201010000 is a gapful number since it is divisible by the number (10) 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 1020201010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1341947939200).

1020201010000 is an abundant number, since it is smaller than the sum of its proper divisors (1663694868400).

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

1020201010000 is a wasteful number, since it uses less digits than its factorization.

1020201010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173287 (or 173266 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 1020201010000 its reverse (101020201), we get a palindrome (1020302030201).

The spelling of 1020201010000 in words is "one trillion, twenty billion, two hundred one million, ten thousand".