2030553021 has 32 divisors (see below), whose sum is σ = 3145412608. Its totient is φ = 1141257600.

The previous prime is 2030552983. The next prime is 2030553029. The reversal of 2030553021 is 1203550302.

It is not a de Polignac number, because 2030553021 - 2⁶ = 2030552957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030553029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 323505 + ... + 329721.

It is an arithmetic number, because the mean of its divisors is an integer number (98294144).

Almost surely, 2^2030553021 is an apocalyptic number.

2030553021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2030553021 is a deficient number, since it is larger than the sum of its proper divisors (1114859587).

2030553021 is a wasteful number, since it uses less digits than its factorization.

2030553021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6481.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 2030553021 is about 45061.6579921334. The cubic root of 2030553021 is about 1266.3043867526.

The spelling of 2030553021 in words is "two billion, thirty million, five hundred fifty-three thousand, twenty-one".