1026231020 has 48 divisors (see below), whose sum is σ = 2258359488. Its totient is φ = 390973440.

The previous prime is 1026230981. The next prime is 1026231029. The reversal of 1026231020 is 201326201.

It is a self number, because there is not a number n which added to its sum of digits gives 1026231020.

It is not an unprimeable number, because it can be changed into a prime (1026231029) 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, 106232 + ... + 115488.

It is an arithmetic number, because the mean of its divisors is an integer number (47049156).

Almost surely, 2^1026231020 is an apocalyptic number.

1026231020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1026231020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1129179744).

1026231020 is an abundant number, since it is smaller than the sum of its proper divisors (1232128468).

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

1026231020 is a wasteful number, since it uses less digits than its factorization.

1026231020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9530 (or 9528 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1026231020 is about 32034.8407206903. The cubic root of 1026231020 is about 1008.6683165106.

Adding to 1026231020 its reverse (201326201), we get a palindrome (1227557221).

The spelling of 1026231020 in words is "one billion, twenty-six million, two hundred thirty-one thousand, twenty".