2021142000 has 80 divisors (see below), whose sum is σ = 6516181152. Its totient is φ = 538969600.

The previous prime is 2021141989. The next prime is 2021142031. The reversal of 2021142000 is 2411202.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 162429 + ... + 174428.

Almost surely, 2^2021142000 is an apocalyptic number.

2021142000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021142000 is an abundant number, since it is smaller than the sum of its proper divisors (4495039152).

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

2021142000 is a wasteful number, since it uses less digits than its factorization.

2021142000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336883 (or 336867 counting only the distinct ones).

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

The square root of 2021142000 is about 44957.1128966263. The cubic root of 2021142000 is about 1264.3450394637.

Adding to 2021142000 its reverse (2411202), we get a palindrome (2023553202).

The spelling of 2021142000 in words is "two billion, twenty-one million, one hundred forty-two thousand".