20061555910030 has 16 divisors (see below), whose sum is σ = 36110910366864. Its totient is φ = 8024597979840.

The previous prime is 20061555910013. The next prime is 20061555910031. The reversal of 20061555910030 is 3001955516002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20061555910031) 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, 617329 + ... + 6364291.

It is an arithmetic number, because the mean of its divisors is an integer number (2256931897929).

Almost surely, 2^{20061555910030} is an apocalyptic number.

20061555910030 is a deficient number, since it is larger than the sum of its proper divisors (16049354456834).

20061555910030 is a wasteful number, since it uses less digits than its factorization.

20061555910030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6096051.

The product of its (nonzero) digits is 40500, while the sum is 37.

The spelling of 20061555910030 in words is "twenty trillion, sixty-one billion, five hundred fifty-five million, nine hundred ten thousand, thirty".