20554520542010 has 32 divisors (see below), whose sum is σ = 45536168587392. Its totient is φ = 6505166940480.

The previous prime is 20554520541949. The next prime is 20554520542051. The reversal of 20554520542010 is 1024502545502.

It is a super-2 number, since 2×20554520542010² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11293691696 + ... + 11293693515.

It is an arithmetic number, because the mean of its divisors is an integer number (1423005268356).

Almost surely, 2^{20554520542010} is an apocalyptic number.

20554520542010 is an abundant number, since it is smaller than the sum of its proper divisors (24981648045382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20554520542010 is a wasteful number, since it uses less digits than its factorization.

20554520542010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22587385238.

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 20554520542010 in words is "twenty trillion, five hundred fifty-four billion, five hundred twenty million, five hundred forty-two thousand, ten".