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1302003001020 = 223521700050017
BaseRepresentation
bin10010111100100101011…
…011010010011010111100
311121110200211100110002010
4102330211123102122330
5132313000232013040
62434044254531220
7163031563622451
oct22744533223274
94543624313063
101302003001020
114621a3829537
12190406206b10
1395a17082747
14470355c5828
1523d04bcbe80
hex12f256d26bc

1302003001020 has 24 divisors (see below), whose sum is σ = 3645608403024. Its totient is φ = 347200800256.

The previous prime is 1302003001007. The next prime is 1302003001051. The reversal of 1302003001020 is 201003002031.

It is a happy number.

It is a super-2 number, since 2×13020030010202 (a number of 25 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1302003000987 and 1302003001005.

It is a congruent number.

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, 10850024949 + ... + 10850025068.

It is an arithmetic number, because the mean of its divisors is an integer number (151900350126).

Almost surely, 21302003001020 is an apocalyptic number.

1302003001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1302003001020 is an abundant number, since it is smaller than the sum of its proper divisors (2343605402004).

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

1302003001020 is a wasteful number, since it uses less digits than its factorization.

1302003001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21700050029 (or 21700050027 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 1302003001020 its reverse (201003002031), we get a palindrome (1503006003051).

The spelling of 1302003001020 in words is "one trillion, three hundred two billion, three million, one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 21700050017 43400100034 65100150051 86800200068 108500250085 130200300102 217000500170 260400600204 325500750255 434001000340 651001500510 1302003001020