1020220151 has 2 divisors, whose sum is σ = 1020220152. Its totient is φ = 1020220150.

The previous prime is 1020220127. The next prime is 1020220169. The reversal of 1020220151 is 1510220201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020220151 is a prime.

It is a super-3 number, since 3×1020220151³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020220111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510110075 + 510110076.

It is an arithmetic number, because the mean of its divisors is an integer number (510110076).

Almost surely, 2^1020220151 is an apocalyptic number.

1020220151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020220151 is an equidigital number, since it uses as much as digits as its factorization.

1020220151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1020220151 is about 31940.8852569869. The cubic root of 1020220151 is about 1006.6951255910.

Adding to 1020220151 its reverse (1510220201), we get a palindrome (2530440352).

The spelling of 1020220151 in words is "one billion, twenty million, two hundred twenty thousand, one hundred fifty-one".