1020452655 has 16 divisors (see below), whose sum is σ = 1633186944. Its totient is φ = 544087200.

The previous prime is 1020452647. The next prime is 1020452677. The reversal of 1020452655 is 5562540201.

It is not a de Polignac number, because 1020452655 - 2³ = 1020452647 is a prime.

It is a congruent number.

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, 62452 + ... + 77078.

It is an arithmetic number, because the mean of its divisors is an integer number (102074184).

Almost surely, 2^1020452655 is an apocalyptic number.

1020452655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1020452655 is a deficient number, since it is larger than the sum of its proper divisors (612734289).

1020452655 is a wasteful number, since it uses less digits than its factorization.

1020452655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19286.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 1020452655 is about 31944.5246482085. The cubic root of 1020452655 is about 1006.7715936830.

Adding to 1020452655 its reverse (5562540201), we get a palindrome (6582992856).

The spelling of 1020452655 in words is "one billion, twenty million, four hundred fifty-two thousand, six hundred fifty-five".