3020061655 has 32 divisors (see below), whose sum is σ = 3966459840. Its totient is φ = 2194083840.

The previous prime is 3020061643. The next prime is 3020061697. The reversal of 3020061655 is 5561600203.

It is not a de Polignac number, because 3020061655 - 2¹¹ = 3020059607 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1450215 + ... + 1452295.

It is an arithmetic number, because the mean of its divisors is an integer number (123951870).

Almost surely, 2^3020061655 is an apocalyptic number.

3020061655 is a deficient number, since it is larger than the sum of its proper divisors (946398185).

3020061655 is a wasteful number, since it uses less digits than its factorization.

3020061655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 3020061655 is about 54955.0876170715. The cubic root of 3020061655 is about 1445.4573098687.

Adding to 3020061655 its reverse (5561600203), we get a palindrome (8581661858).

The spelling of 3020061655 in words is "three billion, twenty million, sixty-one thousand, six hundred fifty-five".