1120020431 has 2 divisors, whose sum is σ = 1120020432. Its totient is φ = 1120020430.

The previous prime is 1120020427. The next prime is 1120020463. The reversal of 1120020431 is 1340200211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1120020431 - 2² = 1120020427 is a prime.

It is a super-2 number, since 2×1120020431² = 2508891531714851522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120020131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560010215 + 560010216.

It is an arithmetic number, because the mean of its divisors is an integer number (560010216).

Almost surely, 2^1120020431 is an apocalyptic number.

1120020431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120020431 is an equidigital number, since it uses as much as digits as its factorization.

1120020431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1120020431 is about 33466.7063064174. The cubic root of 1120020431 is about 1038.5051350846.

Adding to 1120020431 its reverse (1340200211), we get a palindrome (2460220642).

The spelling of 1120020431 in words is "one billion, one hundred twenty million, twenty thousand, four hundred thirty-one".