1020201502 has 4 divisors (see below), whose sum is σ = 1530302256. Its totient is φ = 510100750.

The previous prime is 1020201493. The next prime is 1020201521. The reversal of 1020201502 is 2051020201.

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

It is a super-2 number, since 2×1020201502² = 2081622209366112008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255050374 + ... + 255050377.

It is an arithmetic number, because the mean of its divisors is an integer number (382575564).

Almost surely, 2^1020201502 is an apocalyptic number.

1020201502 is a deficient number, since it is larger than the sum of its proper divisors (510100754).

1020201502 is an equidigital number, since it uses as much as digits as its factorization.

1020201502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510100753.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 1020201502 is about 31940.5933257352. The cubic root of 1020201502 is about 1006.6889916300.

Adding to 1020201502 its reverse (2051020201), we get a palindrome (3071221703).

The spelling of 1020201502 in words is "one billion, twenty million, two hundred one thousand, five hundred two".