1022026820 has 24 divisors (see below), whose sum is σ = 2154817728. Its totient is φ = 407180000.

The previous prime is 1022026763. The next prime is 1022026883. The reversal of 1022026820 is 286202201.

1022026820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1022026820³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96776 + ... + 106815.

It is an arithmetic number, because the mean of its divisors is an integer number (89784072).

Almost surely, 2^1022026820 is an apocalyptic number.

1022026820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022026820 is an abundant number, since it is smaller than the sum of its proper divisors (1132790908).

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

1022026820 is a wasteful number, since it uses less digits than its factorization.

1022026820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203851 (or 203849 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1022026820 is about 31969.1541958808. The cubic root of 1022026820 is about 1007.2890145130.

The spelling of 1022026820 in words is "one billion, twenty-two million, twenty-six thousand, eight hundred twenty".