20954074 has 8 divisors (see below), whose sum is σ = 33085440. Its totient is φ = 9925596.

The previous prime is 20954069. The next prime is 20954077. The reversal of 20954074 is 47045902.

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

It is not an unprimeable number, because it can be changed into a prime (20954077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275674 + ... + 275749.

It is an arithmetic number, because the mean of its divisors is an integer number (4135680).

Almost surely, 2^20954074 is an apocalyptic number.

20954074 is a deficient number, since it is larger than the sum of its proper divisors (12131366).

20954074 is a wasteful number, since it uses less digits than its factorization.

20954074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551444.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 20954074 is about 4577.5620148721. The cubic root of 20954074 is about 275.6911496523.

Adding to 20954074 its reverse (47045902), we get a palindrome (67999976).

The spelling of 20954074 in words is "twenty million, nine hundred fifty-four thousand, seventy-four".