2020021142 has 16 divisors (see below), whose sum is σ = 3155762592. Its totient is φ = 968869440.

The previous prime is 2020021139. The next prime is 2020021181. The reversal of 2020021142 is 2411200202.

It is a congruent number.

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, 186983 + ... + 197490.

It is an arithmetic number, because the mean of its divisors is an integer number (197235162).

Almost surely, 2^2020021142 is an apocalyptic number.

2020021142 is a deficient number, since it is larger than the sum of its proper divisors (1135741450).

2020021142 is a wasteful number, since it uses less digits than its factorization.

2020021142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384583.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2020021142 is about 44944.6453095360. The cubic root of 2020021142 is about 1264.1112750372. Note that the first 3 decimals are identical.

Adding to 2020021142 its reverse (2411200202), we get a palindrome (4431221344).

The spelling of 2020021142 in words is "two billion, twenty million, twenty-one thousand, one hundred forty-two".