20651057110 has 8 divisors (see below), whose sum is σ = 37171902816. Its totient is φ = 8260422840.

The previous prime is 20651057099. The next prime is 20651057131. The reversal of 20651057110 is 1175015602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1032552846 + ... + 1032552865.

It is an arithmetic number, because the mean of its divisors is an integer number (4646487852).

Almost surely, 2^20651057110 is an apocalyptic number.

20651057110 is a deficient number, since it is larger than the sum of its proper divisors (16520845706).

20651057110 is a wasteful number, since it uses less digits than its factorization.

20651057110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065105718.

The product of its (nonzero) digits is 2100, while the sum is 28.

The spelling of 20651057110 in words is "twenty billion, six hundred fifty-one million, fifty-seven thousand, one hundred ten".