1020641302 has 8 divisors (see below), whose sum is σ = 1531166112. Its totient is φ = 510252600.

The previous prime is 1020641287. The next prime is 1020641309. The reversal of 1020641302 is 2031460201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1020641302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020641309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12574 + ... + 46897.

It is an arithmetic number, because the mean of its divisors is an integer number (191395764).

Almost surely, 2^1020641302 is an apocalyptic number.

1020641302 is a deficient number, since it is larger than the sum of its proper divisors (510524810).

1020641302 is an equidigital number, since it uses as much as digits as its factorization.

1020641302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68054.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1020641302 is about 31947.4772399950. The cubic root of 1020641302 is about 1006.8336291394.

The spelling of 1020641302 in words is "one billion, twenty million, six hundred forty-one thousand, three hundred two".