20460449058 has 16 divisors (see below), whose sum is σ = 46766740800. Its totient is φ = 5845842576.

The previous prime is 20460449057. The next prime is 20460449129. The reversal of 20460449058 is 85094406402.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 487153549 = 20460449058 / (2 + 0 + 4 + 6 + 0 + 4 + 4 + 9 + 0 + 5 + 8).

It is not an unprimeable number, because it can be changed into a prime (20460449057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243576733 + ... + 243576816.

It is an arithmetic number, because the mean of its divisors is an integer number (2922921300).

Almost surely, 2^20460449058 is an apocalyptic number.

20460449058 is an abundant number, since it is smaller than the sum of its proper divisors (26306291742).

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

20460449058 is a wasteful number, since it uses less digits than its factorization.

20460449058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487153561.

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 20460449058 in words is "twenty billion, four hundred sixty million, four hundred forty-nine thousand, fifty-eight".