20034949 has 16 divisors (see below), whose sum is σ = 23158080. Its totient is φ = 17141760.

The previous prime is 20034941. The next prime is 20034977. The reversal of 20034949 is 94943002.

It is a cyclic number.

It is not a de Polignac number, because 20034949 - 2³ = 20034941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20034949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20034941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53527 + ... + 53899.

It is an arithmetic number, because the mean of its divisors is an integer number (1447380).

Almost surely, 2^20034949 is an apocalyptic number.

It is an amenable number.

20034949 is a deficient number, since it is larger than the sum of its proper divisors (3123131).

20034949 is a wasteful number, since it uses less digits than its factorization.

20034949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 20034949 is about 4476.0416664727. The cubic root of 20034949 is about 271.5997799543.

The spelling of 20034949 in words is "twenty million, thirty-four thousand, nine hundred forty-nine".