1202005202420 has 48 divisors (see below), whose sum is σ = 2756824979328. Its totient is φ = 436594335360.

The previous prime is 1202005202401. The next prime is 1202005202429. The reversal of 1202005202420 is 242025002021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1202005202392 and 1202005202401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202005202429) 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, 2922032 + ... + 3307911.

It is an arithmetic number, because the mean of its divisors is an integer number (57433853736).

Almost surely, 2^{1202005202420} is an apocalyptic number.

1202005202420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202005202420 is an abundant number, since it is smaller than the sum of its proper divisors (1554819776908).

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

1202005202420 is a wasteful number, since it uses less digits than its factorization.

1202005202420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6230840 (or 6230838 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The spelling of 1202005202420 in words is "one trillion, two hundred two billion, five million, two hundred two thousand, four hundred twenty".