20190928202 has 8 divisors (see below), whose sum is σ = 30292024356. Its totient is φ = 10093586752.

The previous prime is 20190928201. The next prime is 20190928207. The reversal of 20190928202 is 20282909102.

It can be written as a sum of positive squares in 2 ways, for example, as 19418143801 + 772784401 = 139349^2 + 27799^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20190928201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925193 + ... + 946764.

Almost surely, 2^20190928202 is an apocalyptic number.

20190928202 is a deficient number, since it is larger than the sum of its proper divisors (10101096154).

20190928202 is a wasteful number, since it uses less digits than its factorization.

20190928202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877352.

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 20190928202 in words is "twenty billion, one hundred ninety million, nine hundred twenty-eight thousand, two hundred two".