20416120651 has 8 divisors (see below), whose sum is σ = 20446319520. Its totient is φ = 20385942912.

The previous prime is 20416120643. The next prime is 20416120657. The reversal of 20416120651 is 15602161402.

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

It is a cyclic number.

It is not a de Polignac number, because 20416120651 - 2³ = 20416120643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20416120657) 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, 3253545 + ... + 3259813.

It is an arithmetic number, because the mean of its divisors is an integer number (2555789940).

Almost surely, 2^20416120651 is an apocalyptic number.

20416120651 is a deficient number, since it is larger than the sum of its proper divisors (30198869).

20416120651 is an equidigital number, since it uses as much as digits as its factorization.

20416120651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10565.

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 20416120651 in words is "twenty billion, four hundred sixteen million, one hundred twenty thousand, six hundred fifty-one".