2056020351 has 24 divisors (see below), whose sum is σ = 3478834944. Its totient is φ = 1068061680.

The previous prime is 2056020349. The next prime is 2056020353. The reversal of 2056020351 is 1530206502.

It is an interprime number because it is at equal distance from previous prime (2056020349) and next prime (2056020353).

It is not a de Polignac number, because 2056020351 - 2¹ = 2056020349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056020353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 634135 + ... + 637368.

It is an arithmetic number, because the mean of its divisors is an integer number (144951456).

Almost surely, 2^2056020351 is an apocalyptic number.

2056020351 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2056020351 is a deficient number, since it is larger than the sum of its proper divisors (1422814593).

2056020351 is a wasteful number, since it uses less digits than its factorization.

2056020351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271531 (or 1271524 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2056020351 is about 45343.3606054955. The cubic root of 2056020351 is about 1271.5764314204.

Adding to 2056020351 its reverse (1530206502), we get a palindrome (3586226853).

The spelling of 2056020351 in words is "two billion, fifty-six million, twenty thousand, three hundred fifty-one".