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1342212020 = 22567110601
BaseRepresentation
bin101000000000000…
…1000011110110100
310110112121102202022
41100000020132310
510222101241040
6341104132312
745155420402
oct12000103664
93415542668
101342212020
11629709836
12315607098
131850c75c6
14ca38c472
157cc7c6b5
hex500087b4

1342212020 has 12 divisors (see below), whose sum is σ = 2818645284. Its totient is φ = 536884800.

The previous prime is 1342212013. The next prime is 1342212029. The reversal of 1342212020 is 202122431.

It can be written as a sum of positive squares in 2 ways, for example, as 625900324 + 716311696 = 25018^2 + 26764^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1342212020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342212029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33555281 + ... + 33555320.

It is an arithmetic number, because the mean of its divisors is an integer number (234887107).

Almost surely, 21342212020 is an apocalyptic number.

1342212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1342212020 is an abundant number, since it is smaller than the sum of its proper divisors (1476433264).

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

1342212020 is a wasteful number, since it uses less digits than its factorization.

1342212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67110610 (or 67110608 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1342212020 is about 36636.2118674953. The cubic root of 1342212020 is about 1103.0800782559.

Adding to 1342212020 its reverse (202122431), we get a palindrome (1544334451).

The spelling of 1342212020 in words is "one billion, three hundred forty-two million, two hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 67110601 134221202 268442404 335553005 671106010 1342212020