1020220190 has 64 divisors (see below), whose sum is σ = 2037078720. Its totient is φ = 364800000.

The previous prime is 1020220171. The next prime is 1020220207. The reversal of 1020220190 is 910220201.

It is a super-2 number, since 2×1020220190² = 2081698472167272200, 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 in 31 ways as a sum of consecutive naturals, for example, 2543990 + ... + 2544390.

It is an arithmetic number, because the mean of its divisors is an integer number (31829355).

Almost surely, 2^1020220190 is an apocalyptic number.

1020220190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020220190 is a deficient number, since it is larger than the sum of its proper divisors (1016858530).

1020220190 is a wasteful number, since it uses less digits than its factorization.

1020220190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1020220190 is about 31940.8858674896. The cubic root of 1020220190 is about 1006.6951384186.

Adding to 1020220190 its reverse (910220201), we get a palindrome (1930440391).

The spelling of 1020220190 in words is "one billion, twenty million, two hundred twenty thousand, one hundred ninety".