20251512141 has 16 divisors (see below), whose sum is σ = 30862253184. Its totient is φ = 11571240384.

The previous prime is 20251512137. The next prime is 20251512143. The reversal of 20251512141 is 14121515202.

It is a happy number.

It is not a de Polignac number, because 20251512141 - 2² = 20251512137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20251512143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233355 + ... + 308151.

It is an arithmetic number, because the mean of its divisors is an integer number (1928890824).

Almost surely, 2^20251512141 is an apocalyptic number.

20251512141 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20251512141 is a deficient number, since it is larger than the sum of its proper divisors (10610741043).

20251512141 is a wasteful number, since it uses less digits than its factorization.

20251512141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87700.

The product of its (nonzero) digits is 800, while the sum is 24.

The spelling of 20251512141 in words is "twenty billion, two hundred fifty-one million, five hundred twelve thousand, one hundred forty-one".