1300020455 has 16 divisors (see below), whose sum is σ = 1588356000. Its totient is φ = 1021171200.

The previous prime is 1300020431. The next prime is 1300020473. The reversal of 1300020455 is 5540200031.

It is not a de Polignac number, because 1300020455 - 2¹⁶ = 1299954919 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, 307355 + ... + 311555.

It is an arithmetic number, because the mean of its divisors is an integer number (99272250).

Almost surely, 2^1300020455 is an apocalyptic number.

1300020455 is a deficient number, since it is larger than the sum of its proper divisors (288335545).

1300020455 is a wasteful number, since it uses less digits than its factorization.

1300020455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5314.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 1300020455 is about 36055.7964133369. The cubic root of 1300020455 is about 1091.3986072468.

Adding to 1300020455 its reverse (5540200031), we get a palindrome (6840220486).

The spelling of 1300020455 in words is "one billion, three hundred million, twenty thousand, four hundred fifty-five".