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20258485202 = 210129242601
BaseRepresentation
bin10010110111011111…
…111111001111010010
31221021211220200021202
4102313133333033102
5312442133011302
613150121351202
71315011166034
oct226737771722
957254820252
1020258485202
11865642885a
123b14638502
131bab0cb567
14da276dc54
157d87c9202
hex4b77ff3d2

20258485202 has 4 divisors (see below), whose sum is σ = 30387727806. Its totient is φ = 10129242600.

The previous prime is 20258485201. The next prime is 20258485223.

20258485202 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16648998961 + 3609486241 = 129031^2 + 60079^2 .

It is not an unprimeable number, because it can be changed into a prime (20258485201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5064621299 + ... + 5064621302.

Almost surely, 220258485202 is an apocalyptic number.

20258485202 is a deficient number, since it is larger than the sum of its proper divisors (10129242604).

20258485202 is a wasteful number, since it uses less digits than its factorization.

20258485202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10129242603.

The product of its (nonzero) digits is 102400, while the sum is 38.

The spelling of 20258485202 in words is "twenty billion, two hundred fifty-eight million, four hundred eighty-five thousand, two hundred two".

Divisors: 1 2 10129242601 20258485202