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20200002002 = 210100001001
BaseRepresentation
bin10010110100000000…
…111001000111010010
31221010202212102102022
4102310000321013102
5312332200031002
613140232051442
71313401120055
oct226400710722
957122772368
1020200002002
118626413534
123ab8b33b82
131b9bc62b0b
14d98aa8a9c
157d35c5ba2
hex4b40391d2

20200002002 has 4 divisors (see below), whose sum is σ = 30300003006. Its totient is φ = 10100001000.

The previous prime is 20200001999. The next prime is 20200002007. The reversal of 20200002002 is 20020000202.

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., 19732101841 + 467900161 = 140471^2 + 21631^2 .

It is not an unprimeable number, because it can be changed into a prime (20200002007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050000499 + ... + 5050000502.

Almost surely, 220200002002 is an apocalyptic number.

20200002002 is a deficient number, since it is larger than the sum of its proper divisors (10100001004).

20200002002 is a wasteful number, since it uses less digits than its factorization.

20200002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10100001003.

The product of its (nonzero) digits is 16, while the sum is 8.

Adding to 20200002002 its reverse (20020000202), we get a palindrome (40220002204).

It can be divided in two parts, 2020000200 and 2, that added together give a palindrome (2020000202).

The spelling of 20200002002 in words is "twenty billion, two hundred million, two thousand, two".

Divisors: 1 2 10100001001 20200002002