10221852090 has 32 divisors (see below), whose sum is σ = 24535161216. Its totient is φ = 2725525440.

The previous prime is 10221852077. The next prime is 10221852097. The reversal of 10221852090 is 9025812201.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10221852097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438120 + ... + 460860.

It is an arithmetic number, because the mean of its divisors is an integer number (766723788).

Almost surely, 2^10221852090 is an apocalyptic number.

10221852090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10221852090 is an abundant number, since it is smaller than the sum of its proper divisors (14313309126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10221852090 is a wasteful number, since it uses less digits than its factorization.

10221852090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37734.

The product of its (nonzero) digits is 2880, while the sum is 30.

The spelling of 10221852090 in words is "ten billion, two hundred twenty-one million, eight hundred fifty-two thousand, ninety".