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1234055020 = 225115609341
BaseRepresentation
bin100100110001110…
…0010111101101100
310012000002111020111
41021203202331230
510011404230040
6322242025404
742403203022
oct11143427554
93160074214
101234055020
11583656890
122a5348264
13168889093
14b9c76712
1573515dea
hex498e2f6c

1234055020 has 24 divisors (see below), whose sum is σ = 2827108368. Its totient is φ = 448747200.

The previous prime is 1234054967. The next prime is 1234055027. The reversal of 1234055020 is 205504321.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1234054982 and 1234055000.

It is not an unprimeable number, because it can be changed into a prime (1234055027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2804451 + ... + 2804890.

It is an arithmetic number, because the mean of its divisors is an integer number (117796182).

Almost surely, 21234055020 is an apocalyptic number.

1234055020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1234055020 is an abundant number, since it is smaller than the sum of its proper divisors (1593053348).

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

1234055020 is a wasteful number, since it uses less digits than its factorization.

1234055020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5609361 (or 5609359 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1234055020 is about 35129.1192602377. The cubic root of 1234055020 is about 1072.6174079026.

Adding to 1234055020 its reverse (205504321), we get a palindrome (1439559341).

The spelling of 1234055020 in words is "one billion, two hundred thirty-four million, fifty-five thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 5609341 11218682 22437364 28046705 56093410 61702751 112186820 123405502 246811004 308513755 617027510 1234055020