1020154652 has 24 divisors (see below), whose sum is σ = 1958463360. Its totient is φ = 461112560.

The previous prime is 1020154651. The next prime is 1020154657. The reversal of 1020154652 is 2564510201.

It is a super-2 number, since 2×1020154652² = 2081431027994482208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020154651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56888 + ... + 72639.

It is an arithmetic number, because the mean of its divisors is an integer number (81602640).

Almost surely, 2^1020154652 is an apocalyptic number.

It is an amenable number.

1020154652 is a deficient number, since it is larger than the sum of its proper divisors (938308708).

1020154652 is a wasteful number, since it uses less digits than its factorization.

1020154652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129721 (or 129719 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1020154652 is about 31939.8599245520. The cubic root of 1020154652 is about 1006.6735815693.

Adding to 1020154652 its reverse (2564510201), we get a palindrome (3584664853).

The spelling of 1020154652 in words is "one billion, twenty million, one hundred fifty-four thousand, six hundred fifty-two".