20034546 has 16 divisors (see below), whose sum is σ = 45793344. Its totient is φ = 5724144.

The previous prime is 20034533. The next prime is 20034557. The reversal of 20034546 is 64543002.

It is a super-2 number, since 2×20034546² = 802766066852232, which contains 22 as substring.

It is a Curzon number.

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, 238465 + ... + 238548.

It is an arithmetic number, because the mean of its divisors is an integer number (2862084).

Almost surely, 2^20034546 is an apocalyptic number.

20034546 is an abundant number, since it is smaller than the sum of its proper divisors (25758798).

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

20034546 is a wasteful number, since it uses less digits than its factorization.

20034546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477025.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 20034546 is about 4475.9966487923. The cubic root of 20034546 is about 271.5979588791.

Adding to 20034546 its reverse (64543002), we get a palindrome (84577548).

The spelling of 20034546 in words is "twenty million, thirty-four thousand, five hundred forty-six".