1022020201002 has 64 divisors (see below), whose sum is σ = 2075085492480. Its totient is φ = 335549952000.

The previous prime is 1022020200989. The next prime is 1022020201003. The reversal of 1022020201002 is 2001020202201.

It is not an unprimeable number, because it can be changed into a prime (1022020201003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50864574 + ... + 50884662.

It is an arithmetic number, because the mean of its divisors is an integer number (32423210820).

Almost surely, 2^{1022020201002} is an apocalyptic number.

1022020201002 is an abundant number, since it is smaller than the sum of its proper divisors (1053065291478).

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

1022020201002 is a wasteful number, since it uses less digits than its factorization.

1022020201002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20719.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1022020201002 its reverse (2001020202201), we get a palindrome (3023040403203).

The spelling of 1022020201002 in words is "one trillion, twenty-two billion, twenty million, two hundred one thousand, two".