20606045046 has 32 divisors (see below), whose sum is σ = 43111277568. Its totient is φ = 6553641600.

The previous prime is 20606045039. The next prime is 20606045071. The reversal of 20606045046 is 64054060602.

It is a super-2 number, since 2×20606045046² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20606044998 and 20606045016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130846 + ... + 241521.

It is an arithmetic number, because the mean of its divisors is an integer number (1347227424).

Almost surely, 2^20606045046 is an apocalyptic number.

20606045046 is an abundant number, since it is smaller than the sum of its proper divisors (22505232522).

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

20606045046 is a wasteful number, since it uses less digits than its factorization.

20606045046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372796.

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 20606045046 in words is "twenty billion, six hundred six million, forty-five thousand, forty-six".