1020655546 has 4 divisors (see below), whose sum is σ = 1530983322. Its totient is φ = 510327772.

The previous prime is 1020655499. The next prime is 1020655553. The reversal of 1020655546 is 6455560201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6455560201 = 43 ⋅150129307.

It can be written as a sum of positive squares in only one way, i.e., 818589321 + 202066225 = 28611^2 + 14215^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255163885 + ... + 255163888.

Almost surely, 2^1020655546 is an apocalyptic number.

1020655546 is a deficient number, since it is larger than the sum of its proper divisors (510327776).

1020655546 is an equidigital number, since it uses as much as digits as its factorization.

1020655546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510327775.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 1020655546 is about 31947.7001676177. The cubic root of 1020655546 is about 1006.8383128846.

It can be divided in two parts, 1020655 and 546, that added together give a palindrome (1021201).

The spelling of 1020655546 in words is "one billion, twenty million, six hundred fifty-five thousand, five hundred forty-six".