204078034 has 16 divisors (see below), whose sum is σ = 319966848. Its totient is φ = 97437472.

The previous prime is 204078029. The next prime is 204078041. The reversal of 204078034 is 430870402.

It is a super-2 number, since 2×204078034² = 83295687922610312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204077993 and 204078011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26334 + ... + 33190.

It is an arithmetic number, because the mean of its divisors is an integer number (19997928).

Almost surely, 2^204078034 is an apocalyptic number.

204078034 is a deficient number, since it is larger than the sum of its proper divisors (115888814).

204078034 is a wasteful number, since it uses less digits than its factorization.

204078034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7529.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 204078034 is about 14285.5883323019. The cubic root of 204078034 is about 588.7515822251.

It can be divided in two parts, 20407 and 8034, that added together give a triangular number (28441 = T₂₃₈).

The spelling of 204078034 in words is "two hundred four million, seventy-eight thousand, thirty-four".