10202120330 has 16 divisors (see below), whose sum is σ = 18754536960. Its totient is φ = 3994021392.

The previous prime is 10202120309. The next prime is 10202120339. The reversal of 10202120330 is 3302120201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (10202120339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10852850 + ... + 10853789.

It is an arithmetic number, because the mean of its divisors is an integer number (1172158560).

Almost surely, 2^10202120330 is an apocalyptic number.

10202120330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10202120330 is a deficient number, since it is larger than the sum of its proper divisors (8552416630).

10202120330 is a wasteful number, since it uses less digits than its factorization.

10202120330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21706693.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 10202120330 its reverse (3302120201), we get a palindrome (13504240531).

The spelling of 10202120330 in words is "ten billion, two hundred two million, one hundred twenty thousand, three hundred thirty".