1086420220 has 24 divisors (see below), whose sum is σ = 2302809264. Its totient is φ = 430505856.

The previous prime is 1086420121. The next prime is 1086420229. The reversal of 1086420220 is 220246801.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1086420229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251697 + ... + 255976.

It is an arithmetic number, because the mean of its divisors is an integer number (95950386).

Almost surely, 2^1086420220 is an apocalyptic number.

1086420220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1086420220 is an abundant number, since it is smaller than the sum of its proper divisors (1216389044).

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

1086420220 is a wasteful number, since it uses less digits than its factorization.

1086420220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507789 (or 507787 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1086420220 is about 32960.8892477130. The cubic root of 1086420220 is about 1028.0145937559.

The spelling of 1086420220 in words is "one billion, eighty-six million, four hundred twenty thousand, two hundred twenty".