1925125020 has 144 divisors (see below), whose sum is σ = 7187194560. Its totient is φ = 406176768.

The previous prime is 1925124997. The next prime is 1925125031. The reversal of 1925125020 is 205215291.

It is a super-2 number, since 2×1925125020² = 7412212685260000800, 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 47 ways as a sum of consecutive naturals, for example, 42385 + ... + 75144.

Almost surely, 2^1925125020 is an apocalyptic number.

1925125020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1925125020 is an abundant number, since it is smaller than the sum of its proper divisors (5262069540).

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

1925125020 is a wasteful number, since it uses less digits than its factorization.

1925125020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117564 (or 117559 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 1925125020 is about 43876.2466489557. The cubic root of 1925125020 is about 1243.9978968682.

The spelling of 1925125020 in words is "one billion, nine hundred twenty-five million, one hundred twenty-five thousand, twenty".