200670534 has 40 divisors (see below), whose sum is σ = 450793728. Its totient is φ = 66720240.

The previous prime is 200670493. The next prime is 200670539. The reversal of 200670534 is 435076002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 200670498 and 200670507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200670539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 73339 + ... + 76025.

Almost surely, 2^200670534 is an apocalyptic number.

200670534 is an abundant number, since it is smaller than the sum of its proper divisors (250123194).

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

200670534 is a wasteful number, since it uses less digits than its factorization.

200670534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162 (or 3153 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 200670534 is about 14165.8227434908. The cubic root of 200670534 is about 585.4563697229.

Adding to 200670534 its sum of digits (27), we get a triangular number (200670561 = T₂₀₀₃₃).

The spelling of 200670534 in words is "two hundred million, six hundred seventy thousand, five hundred thirty-four".