202147004 has 18 divisors (see below), whose sum is σ = 373358664. Its totient is φ = 95753160.

The previous prime is 202146979. The next prime is 202147007. The reversal of 202147004 is 400741202.

It is a super-2 number, since 2×202147004² = 81726822452352032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202147007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68552 + ... + 71439.

It is an arithmetic number, because the mean of its divisors is an integer number (20742148).

Almost surely, 2^202147004 is an apocalyptic number.

It is an amenable number.

202147004 is a deficient number, since it is larger than the sum of its proper divisors (171211660).

202147004 is a wasteful number, since it uses less digits than its factorization.

202147004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140033 (or 140012 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 202147004 is about 14217.8410456722. The cubic root of 202147004 is about 586.8887297835. Note that the first 3 decimals are identical.

Adding to 202147004 its reverse (400741202), we get a palindrome (602888206).

The spelling of 202147004 in words is "two hundred two million, one hundred forty-seven thousand, four".