20466777246 has 32 divisors (see below), whose sum is σ = 41038571808. Its totient is φ = 6804779520.

The previous prime is 20466777239. The next prime is 20466777281. The reversal of 20466777246 is 64277766402.

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, 5480796 + ... + 5484528.

It is an arithmetic number, because the mean of its divisors is an integer number (1282455369).

Almost surely, 2^20466777246 is an apocalyptic number.

20466777246 is an abundant number, since it is smaller than the sum of its proper divisors (20571794562).

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

20466777246 is a wasteful number, since it uses less digits than its factorization.

20466777246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5836.

The product of its (nonzero) digits is 4741632, while the sum is 51.

The spelling of 20466777246 in words is "twenty billion, four hundred sixty-six million, seven hundred seventy-seven thousand, two hundred forty-six".