35205022220 has 48 divisors (see below), whose sum is σ = 81682872768. Its totient is φ = 12677406720.

The previous prime is 35205022217. The next prime is 35205022283. The reversal of 35205022220 is 2222050253.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2243141 + ... + 2258780.

It is an arithmetic number, because the mean of its divisors is an integer number (1701726516).

Almost surely, 2^35205022220 is an apocalyptic number.

It is an amenable number.

35205022220 is an abundant number, since it is smaller than the sum of its proper divisors (46477850548).

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

35205022220 is a wasteful number, since it uses less digits than its factorization.

35205022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4501970 (or 4501968 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

Adding to 35205022220 its reverse (2222050253), we get a palindrome (37427072473).

The spelling of 35205022220 in words is "thirty-five billion, two hundred five million, twenty-two thousand, two hundred twenty".