10202690 has 8 divisors (see below), whose sum is σ = 18364860. Its totient is φ = 4081072.

The previous prime is 10202681. The next prime is 10202701. The reversal of 10202690 is 9620201.

10202690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9259849 + 942841 = 3043^2 + 971^2 .

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

It is a super-2 number, since 2×10202690² = 208189766472200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510125 + ... + 510144.

Almost surely, 2^10202690 is an apocalyptic number.

10202690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10202690 is a deficient number, since it is larger than the sum of its proper divisors (8162170).

10202690 is a wasteful number, since it uses less digits than its factorization.

10202690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020276.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 10202690 is about 3194.1649926076. The cubic root of 10202690 is about 216.8893515904.

Adding to 10202690 its reverse (9620201), we get a palindrome (19822891).

The spelling of 10202690 in words is "ten million, two hundred two thousand, six hundred ninety".