2028864002 has 16 divisors (see below), whose sum is σ = 3320678592. Its totient is φ = 922011120.

The previous prime is 2028863999. The next prime is 2028864053. The reversal of 2028864002 is 2004688202.

It is a happy number.

It is a super-2 number, since 2×2028864002² = 8232578277222912008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2028864002.

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, 152843 + ... + 165585.

It is an arithmetic number, because the mean of its divisors is an integer number (207542412).

Almost surely, 2^2028864002 is an apocalyptic number.

2028864002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2028864002 is a deficient number, since it is larger than the sum of its proper divisors (1291814590).

2028864002 is a wasteful number, since it uses less digits than its factorization.

2028864002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19993.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 2028864002 is about 45042.9128942612. The cubic root of 2028864002 is about 1265.9531843225.

The spelling of 2028864002 in words is "two billion, twenty-eight million, eight hundred sixty-four thousand, two".