1220055764254 has 16 divisors (see below), whose sum is σ = 1869156357696. Its totient is φ = 597005516800.

The previous prime is 1220055764251. The next prime is 1220055764341. The reversal of 1220055764254 is 4524675500221.

It is a self number, because there is not a number n which added to its sum of digits gives 1220055764254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220055764251) 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, 862734 + ... + 1784494.

It is an arithmetic number, because the mean of its divisors is an integer number (116822272356).

Almost surely, 2^{1220055764254} is an apocalyptic number.

1220055764254 is a deficient number, since it is larger than the sum of its proper divisors (649100593442).

1220055764254 is a wasteful number, since it uses less digits than its factorization.

1220055764254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935891.

The product of its (nonzero) digits is 672000, while the sum is 43.

The spelling of 1220055764254 in words is "one trillion, two hundred twenty billion, fifty-five million, seven hundred sixty-four thousand, two hundred fifty-four".