220555021045045 has 16 divisors (see below), whose sum is σ = 270327451062528. Its totient is φ = 172670572791360.

The previous prime is 220555021045027. The next prime is 220555021045063. The reversal of 220555021045045 is 540540120555022.

It is an interprime number because it is at equal distance from previous prime (220555021045027) and next prime (220555021045063).

It is not a de Polignac number, because 220555021045045 - 2¹⁷ = 220555020913973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220555021044989 and 220555021045007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50383599 + ... + 54585868.

It is an arithmetic number, because the mean of its divisors is an integer number (16895465691408).

Almost surely, 2^{220555021045045} is an apocalyptic number.

It is an amenable number.

220555021045045 is a deficient number, since it is larger than the sum of its proper divisors (49772430017483).

220555021045045 is a wasteful number, since it uses less digits than its factorization.

220555021045045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104978460.

The product of its (nonzero) digits is 400000, while the sum is 40.

The spelling of 220555021045045 in words is "two hundred twenty trillion, five hundred fifty-five billion, twenty-one million, forty-five thousand, forty-five".