20970034 has 8 divisors (see below), whose sum is σ = 33110640. Its totient is φ = 9933156.

The previous prime is 20970011. The next prime is 20970049. The reversal of 20970034 is 43007902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20970034² = 879484651922312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20969990 and 20970008.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275884 + ... + 275959.

It is an arithmetic number, because the mean of its divisors is an integer number (4138830).

Almost surely, 2^20970034 is an apocalyptic number.

20970034 is a deficient number, since it is larger than the sum of its proper divisors (12140606).

20970034 is a wasteful number, since it uses less digits than its factorization.

20970034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551864.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 20970034 is about 4579.3049690974. The cubic root of 20970034 is about 275.7611267223.

Adding to 20970034 its reverse (43007902), we get a palindrome (63977936).

The spelling of 20970034 in words is "twenty million, nine hundred seventy thousand, thirty-four".