20750034 has 32 divisors (see below), whose sum is σ = 42771456. Its totient is φ = 6708240.

The previous prime is 20750027. The next prime is 20750069. The reversal of 20750034 is 43005702.

It is a happy number.

It is a super-2 number, since 2×20750034² = 861127822002312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28179 + ... + 28905.

It is an arithmetic number, because the mean of its divisors is an integer number (1336608).

Almost surely, 2^20750034 is an apocalyptic number.

20750034 is an abundant number, since it is smaller than the sum of its proper divisors (22021422).

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

20750034 is a wasteful number, since it uses less digits than its factorization.

20750034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 20750034 is about 4555.2205215555. The cubic root of 20750034 is about 274.7933830925.

Adding to 20750034 its reverse (43005702), we get a palindrome (63755736).

The spelling of 20750034 in words is "twenty million, seven hundred fifty thousand, thirty-four".