1057020002 has 4 divisors (see below), whose sum is σ = 1585530006. Its totient is φ = 528510000.

The previous prime is 1057020001. The next prime is 1057020007. The reversal of 1057020002 is 2000207501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 942551401 + 114468601 = 30701^2 + 10699^2 .

It is a super-2 number, since 2×1057020002² = 2234582569256160008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1057020001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264254999 + ... + 264255002.

Almost surely, 2^1057020002 is an apocalyptic number.

1057020002 is a deficient number, since it is larger than the sum of its proper divisors (528510004).

1057020002 is an equidigital number, since it uses as much as digits as its factorization.

1057020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528510003.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 1057020002 is about 32511.8440264467. The cubic root of 1057020002 is about 1018.6564400410.

Adding to 1057020002 its reverse (2000207501), we get a palindrome (3057227503).

The spelling of 1057020002 in words is "one billion, fifty-seven million, twenty thousand, two".