2021252046 has 16 divisors (see below), whose sum is σ = 4410004608. Its totient is φ = 612500600.

The previous prime is 2021252027. The next prime is 2021252059. The reversal of 2021252046 is 6402521202.

It is a happy number.

It is a super-2 number, since 2×2021252046² = 8170919666918372232, which contains 22 as substring.

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, 15312450 + ... + 15312581.

It is an arithmetic number, because the mean of its divisors is an integer number (275625288).

Almost surely, 2^2021252046 is an apocalyptic number.

2021252046 is an abundant number, since it is smaller than the sum of its proper divisors (2388752562).

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

2021252046 is a wasteful number, since it uses less digits than its factorization.

2021252046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30625047.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2021252046 is about 44958.3367797342. The cubic root of 2021252046 is about 1264.3679858292.

Adding to 2021252046 its reverse (6402521202), we get a palindrome (8423773248).

The spelling of 2021252046 in words is "two billion, twenty-one million, two hundred fifty-two thousand, forty-six".