20074051 has 16 divisors (see below), whose sum is σ = 22004640. Its totient is φ = 18247680.

The previous prime is 20074049. The next prime is 20074057. The reversal of 20074051 is 15047002.

It is a cyclic number.

It is not a de Polignac number, because 20074051 - 2¹ = 20074049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20074057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56691 + ... + 57043.

It is an arithmetic number, because the mean of its divisors is an integer number (1375290).

Almost surely, 2^20074051 is an apocalyptic number.

20074051 is a deficient number, since it is larger than the sum of its proper divisors (1930589).

20074051 is a wasteful number, since it uses less digits than its factorization.

20074051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 20074051 is about 4480.4074591492. The cubic root of 20074051 is about 271.7763579437.

The spelling of 20074051 in words is "twenty million, seventy-four thousand, fifty-one".