1020220010205 has 32 divisors (see below), whose sum is σ = 1781139397248. Its totient is φ = 494543308800.

The previous prime is 1020220010189. The next prime is 1020220010213. The reversal of 1020220010205 is 5020100220201.

It is not a de Polignac number, because 1020220010205 - 2⁴ = 1020220010189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 74737 + ... + 1430393.

It is an arithmetic number, because the mean of its divisors is an integer number (55660606164).

Almost surely, 2^{1020220010205} is an apocalyptic number.

1020220010205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1020220010205 is a deficient number, since it is larger than the sum of its proper divisors (760919387043).

1020220010205 is a wasteful number, since it uses less digits than its factorization.

1020220010205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360237.

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 1020220010205 its reverse (5020100220201), we get a palindrome (6040320230406).

The spelling of 1020220010205 in words is "one trillion, twenty billion, two hundred twenty million, ten thousand, two hundred five".