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2140201020 = 223549971483
BaseRepresentation
bin111111110010000…
…1110000000111100
312112011011110212110
41333210032000330
513340342413040
6552211534020
7104015260056
oct17744160074
95464143773
102140201020
119a90a6781
124b88ba310
13281525049
141643528d6
15c7d58980
hex7f90e03c

2140201020 has 48 divisors (see below), whose sum is σ = 6004656000. Its totient is φ = 569568576.

The previous prime is 2140201013. The next prime is 2140201051. The reversal of 2140201020 is 201020412.

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 = 2140200987 and 2140201005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5802 + ... + 65681.

It is an arithmetic number, because the mean of its divisors is an integer number (125097000).

Almost surely, 22140201020 is an apocalyptic number.

2140201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140201020 is an abundant number, since it is smaller than the sum of its proper divisors (3864454980).

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

2140201020 is a wasteful number, since it uses less digits than its factorization.

2140201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71994 (or 71992 counting only the distinct ones).

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

The square root of 2140201020 is about 46262.3066869779. The cubic root of 2140201020 is about 1288.6990911511.

Adding to 2140201020 its reverse (201020412), we get a palindrome (2341221432).

The spelling of 2140201020 in words is "two billion, one hundred forty million, two hundred one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 499 998 1497 1996 2495 2994 4990 5988 7485 9980 14970 29940 71483 142966 214449 285932 357415 428898 714830 857796 1072245 1429660 2144490 4288980 35670017 71340034 107010051 142680068 178350085 214020102 356700170 428040204 535050255 713400340 1070100510 2140201020