20061655311 has 8 divisors (see below), whose sum is σ = 26750245680. Its totient is φ = 13373750912.

The previous prime is 20061655261. The next prime is 20061655319. The reversal of 20061655311 is 11355616002.

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 20061655311 - 2²¹ = 20059558159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20061655319) 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, 98856 + ... + 223373.

It is an arithmetic number, because the mean of its divisors is an integer number (3343780710).

Almost surely, 2^20061655311 is an apocalyptic number.

20061655311 is a deficient number, since it is larger than the sum of its proper divisors (6688590369).

20061655311 is a wasteful number, since it uses less digits than its factorization.

20061655311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342985.

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 20061655311 in words is "twenty billion, sixty-one million, six hundred fifty-five thousand, three hundred eleven".